- Distribution Method : Unknown
- MD5 : 668983cf8223a398f4b8a1a4d7cddb7a
- Major Detection Name : a variant of MSIL/Filecoder.QE (ESET), Ransom_ARGUS.THAAABAH (Trend Micro)
- Encrypted File Pattern : <Original Filename>.<Original Extension> → <Original Filename>.ARGUS
- Malicious File Creation Location : C:\Users\%UserName%\audiodg.exe
- Payment Instruction File : ARGUS-DECRYPT.html
- Major Characteristics :
- Offline Encryption
- Titan Cryptor Ransomware series
- Kraken Cryptor Ransomware impostor
- Disable system restore (bcdedit.exe /set {default} recoveryenabled No, bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures, wbadmin.exe DELETE SYSTEMSTATEBACKUP, WMIC.exe SHADOWCOPY DELETE, vssadmin.exe delete shadows /All, wbadmin.exe DELETE BACKUP)
- Utilizes SDelete from SysInternals to purge empty disc drive space, disabling possible recovery by file recovery tool. ("C:\Users\%UserName%\audiodg.exe" /accepteula -z <Drive Letter>:\)
- Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\wallpaper.bmp)
List