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Matrix Ransomware (<Original Filename>.<Original Extension> → <Random>-<Random>.[RestoreFile@qq.com])

  • Distribution Method : Unknown
 
  • MD5 : 156f5fe50359df649c91773300dfe9b7
 
  • Major Detection Name : Trojan/Win32.Matrix.C2428826 (AhnLab V3), W32/Matrix.2FFD!tr.ransom (Fortinet)
 
  • Encrypted File Pattern : <Original Filename>.<Original Extension> → <Random>-<Random>.[RestoreFile@qq.com]
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.lnk
     - C:\Users\%UserName%\AppData\Roaming\#What_Wrong_With_Files#.rtf
     - C:\Users\%UserName%\AppData\Roaming\<Random>.cmd
 
  • Payment Instruction File : #What_Wrong_With_Files#.rtf / <2-Digit Random>#What_Wrong_With_Files#.rtf
 
  • Major Characteristics :
     - Offline Encryption
     - Interrupt file recovery using cipher.exe /w:<Drive Letter>:
     - Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.jpg)

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