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

  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : 7245d9e8f3ccecb9a1c6a16b9429d628
 
  • Major Detection Name : Trojan/Win32.Gryphon.R205807 (AhnLab V3), a variant of Win32/Filecoder.BTCware.I (ESET)
 
  • Encrypted File Pattern : .[payoff@cock.li].gryphon
 
  • Malicious File Creation Location : C:\Users\%UserName%\AppData\Roaming\HELP.txt
 
  • Payment Instruction File : !## DECRYPT FILES ##!.txt / HELP.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Aleta / BTCWare / Crptxxx / Master Ransomware series
     - Disable system restore (vssadmin.exe Delete Shadows /All /Quiet, bcdedit.exe /set {default} recoveryenabled No, bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures)

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