Hermes v2.1 Ransomware (<Original Filename>.<Original Extension> / DECRYPT__INFORMATION.html) - Videos - CheckMAL

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Distribution Method : Unknown

MD5 : f031107bae6fb687aa73a2d6b72216c7

Major Detection Name : Trojan/Win32.Hermesran.C2575716 (AhnLab V3), Trojan.Ransom.Hermes (ALYac)

Encrypted File Pattern : <Original Filename>.<Original Extension>

Malicious File Creation Location :
- C:\Users\Public\PUBLIC
- C:\Users\Public\UNIQUE__ID_DO_NOT__REMOVE
- C:\Users\Public\window.bat
- C:\users\%UserName%\Desktop\DECRYPT__INFORMATION.html

Payment Instruction File : DECRYPT__INFORMATION.html

Major Characteristics :
- Offline Encryption
- 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*.*)