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Matrix Ransomware (<Original Filename>_[][].<Original Extension>)

  • Distribution Method : Automatic infection using exploit by visiting website
  • MD5 : 4da03876c9fe54898756272601098437
  • Major Detection Name : Trojan/Win32.Matrixran.R215049 (AhnLab V3), Trojan-Ransom.Win32.Matrix.ox (Kaspersky)
  • Encrypted File Pattern : <Original Filename>_[][].<Original Extension>
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Local\Temp\<Random>.exe
         - C:\Users\%UserName%\AppData\Local\Temp\<Random>.tmp
         - C:\Users\%UserName%\AppData\Roaming\<Random>.cmd
         - C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
  • Payment Instruction File : T0_Rec0ver_Files_ReadME.rtf / T0_Rec0ver_Files_ReadME1.rtf ~ T0_Rec0ver_Files_ReadME50.rtf
  • Major Characteristics :
         - Offline Encryption
         - Change the default values of the registry entry "HKEY_CLASSES_ROOT\mscfile\shell\open\command" and disable system restore (vssadmin.exe delete shadows /all /quiet) using Event Viewer (eventvwr.exe)
         - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)

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