- 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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