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Matrix Ransomware (<Random>-<Random>.[Vfemacry@mail-on.us])

  • Distribution Method : Unknown
 
  • MD5 : 8d899b3acc20e36db33ea5f8fe0e7bfd
 
  • Major Detection Name : Trojan/Win32.Matrix.C2428826 (AhnLab V3), Generic.Ransom.Matrix.2BA1A421 (BitDefender)
 
  • Encrypted File Pattern : <Random>-<Random>.[Vfemacry@mail-on.us]
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\#Decrypt_Files_ReadMe#.rtf
     - C:\Users\%UserName%\AppData\Roaming\<Random>.cmd
     - C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
 
  • Payment Instruction File : #Decrypt_Files_ReadMe#.rtf
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (MIC.exe shadowcopy delete /nointeractive, vssadmin.exe delete shadows /all /quiet)
     - Interrupt file recovery using cipher.exe /w:<Drive Letter>:
     - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)

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