- Distribution Method : Unknown
- MD5 : c92c3b192fd72762cd54d92ccb65f183
- Major Detection Name : Ransom:Win32/Saturn!MTB (Microsoft), Ransom_Saturn.R002C0DH420 (Trend Micro)
- Encrypted File Pattern : .<4-Digit Random Extension> → .<Original Extension> → .saturn
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.lnk
- C:\Users\%UserName%\Desktop\#DECRYPT_MY_FILES#.html
- C:\Users\%UserName%\Desktop\#DECRYPT_MY_FILES#.txt
- C:\Users\%UserName%\Desktop\#DECRYPT_MY_FILES#.vbs
- Payment Instruction File : #DECRYPT_MY_FILES#.html / #DECRYPT_MY_FILES#.txt / #DECRYPT_MY_FILES#.vbs
- Major Characteristics :
- Offline Encryption
- Disable system restore (vssadmin.exe delete shadows /all /quiet, wmic.exe shadowcopy delete, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
- Encryption guide using Text-to-Speech (TTS) function (#DECRYPT_MY_FILES#.vbs)
- Changes desktop background (C:\Users\%UserName%\Desktop\#DECRYPT_MY_FILES.BMP)
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