- Distribution Method : Unknown
- MD5 : 5d199b121047145a3ab8f82c2f5b3ed7
- Major Detection Name : Generic.Ransom.Hiddentear.A.177CAE27 (BitDefender), MSIL.Trojan-Ransom.Remind.B (GData)
- Encrypted File Pattern : .$big$
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url
- C:\Users\%UserName%\AppData\Roaming\read_me.txt
- C:\Users\%UserName%\AppData\Roaming\svchost.exe
- <Drive Letter>:\WinBackup.exe
- Payment Instruction File : read_me.txt
- Major Characteristics :
- Offline Encryption
- Chaos / Penta Ransomware series
- Disable system restore (vssadmin delete shadows /all /quiet, wmic shadowcopy delete, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
- Propagation using "<Drive Letter>:\WinBackup.exe" file.
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