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Matrix Ransomware (<Random>-<Random>.[barboza40@yahoo.com])

  • Distribution Method : Unknown
 
  • MD5 : b4ee604149bdab952943138b4fdc5f6e
 
  • Major Detection Name : Trojan/Win32.Matrixran.R234829 (AhnLab V3), Generic.Ransom.Matrix.69824C90 (BitDefender)
 
  • Encrypted File Pattern : <Random>-<Random>.[barboza40@yahoo.com]
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\!ReadMe_How_To_Decrypt_Files!.rtf
     - C:\Users\%UserName%\AppData\Roaming\<Random>.cmd
     - C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
 
  • Payment Instruction File : !ReadMe_How_To_Decrypt_Files!.rtf
 
  • Major Characteristics :
     - Offline Encryption
     - Disable system restore (WMIC.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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