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CryptoMix Ransomware (<Random Filename>.SYS)

  • Distribution Method : Unknown
 
  • MD5 : 0f5111d54b52e0fb95c2ae430463d286
 
  • Major Detection Name : a variant of Win32/Kryptik.GICF (ESET), Ransom_CRYPTOMIX.J (Trend Micro)
 
  • Encrypted File Pattern : <Random Filename>.SYS
 
  • Malicious File Creation Location :
     - C:\ProgramData\<Random>.exe
     - C:\ProgramData\<Random>.SYS
     - C:\Users\%UserName%\Desktop\_HELP_INSTRUCTION.TXT
 
  • Payment Instruction File : _HELP_INSTRUCTION.TXT
 
  • Major Characteristics :
     - Offline Encryption
     - CryptFile2 / CryptoShield / HydraCrypt / Mole / Revenge / Zeta Ransomware series

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