- Distribution Method : Mail attachment (.js)
- MD5 : d5f8e056f470c14b36d9d42553b53197
- Major Detection Name : Ransom:Win32/Genasom (Microsoft), Ransom_GRYPHON.C (Trend Micro)
- Encrypted File Pattern : .[chines34@protonmail.ch].gryphon
- Malicious File Creation Location : C:\Users\%UserName%\AppData\Roaming\HELP.txt
- Payment Instruction File : !## DECRYPT FILES ##!.txt / HELP.txt
- Major Characteristics :
- Offline Encryption
- BTCWare Ransomware series
- Use a valid "Media Lid" Digital Signatures
- 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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