- Distribution Method : Unknown
- MD5 : 58299251f23eec8aeab9b39437c35615
- Major Detection Name : Trojan/Win32.Jigsaw.C2527023 (AhnLab V3), Generic.MSIL.Ransomware.Jigsaw.7A81A60C (BitDefender)
- Encrypted File Pattern : .fun
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Local\Drpbx
- C:\Users\%UserName%\AppData\Local\Drpbx\drpbx.exe
- C:\Users\%UserName%\AppData\Roaming\Frfx
- C:\Users\%UserName%\AppData\Roaming\Frfx\firefox.exe
- C:\Users\%UserName%\AppData\Roaming\System32Work
- C:\Users\%UserName%\AppData\Roaming\System32Work\Address.txt
- C:\Users\%UserName%\AppData\Roaming\System32Work\dr
- C:\Users\%UserName%\AppData\Roaming\System32Work\EncryptedFileList.txt
- Major Characteristics :
- Offline Encryption
- Ramsey Ransomware series
- The Polish users are targeted.
- Create a fake ".NET Framework Initialization Error" message
- Automatically delete encrypted files every hour.
List