- Distribution Method : Unknown
- MD5 : 607d292bdcdde297252e002e613282ae
- Major Detection Name : Generic.Ransom.Matrix.17CFCB4B (BitDefender), Ransom-Matrix!607D292BDCDD (McAfee)
- Encrypted File Pattern : <Original Filename>.<Original Extension> → [AskHelp@protonmail.com].<Random>-<Random>.ANN
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Roaming\<Random>.bat
- C:\Users\%UserName%\AppData\Roaming\<Random>.vbs
- C:\Windows\System32\Tasks\DSHCA
- Payment Instruction File : #ANN_README#.rtf
- Major Characteristics :
- Offline Encryption
- Reruns by adding "DSHCA" in Task Scheduler to disable system restore (vssadmin Delete Shadows /All /Quiet, wmic SHADOWCOPY DELETE, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures) for every 5 minutes.
- Changes desktop background (C:\Users\%UserName%\AppData\Roaming\<Random>.bmp)
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