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Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Automatic infection using exploit by visiting website
 
  • MD5 : 9b9928c3b81d8d9f7748e196924906b8
 
  • Encrypted File Pattern : .<Original Extension>[supportdecrypt@firemail.cc].HRM
 
  • Malicious File Creation Location :
     - C:\Users\Public\PUBLIC
     - C:\Users\Public\UNIQUE_ID_DO_NOT_REMOVE
     - C:\Users\Public\window.bat
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\start.bat
     - C:\Users\%UserName%\Desktop\DECRYPT_INFORMATION.html
 
  • Payment Instruction File : DECRYPT_INFORMATION.html
 
  • Major Characteristics :
     - Offline Encryption
     - Ryuk Ransomware series
     - Use a "DON'T MISS A WORD LIMITED" Digital Signatures
     - Disable system restore (vssadmin Delete Shadows /all /quiet, vssadmin resize shadowstorage /for=<Drive Letter>: /on=<Drive Letter>: /maxsize=401MB, vssadmin resize shadowstorage /for=<Drive Letter>: /on=<Drive Letter>: /maxsize=unbounded)
     - Delete backup files (*.bac, *.bak, *.bkf, *.dsk, *.set, *.VHD, *.wbcat, *.win, Backup*.*, backup*.*)

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