- Distribution Method : Unknown
- MD5 : 3ae9816b7103b1842ad6ab464ebc2c6e
- Major Detection Name : DeepScan:Generic.Ransom.Spora.498E39DD (BitDefender), W32/Filecoder.OIE!tr.ransom (Fortinet)
- Encrypted File Pattern : .<4-Digit Random Extension>
- Malicious File Creation Location :
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\<6자리 Random> ReadMe.txt
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Desktopini.exe
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<6자리 Random> ReadMe.txt
- C:\Users\%UserName%\AppData\f__d_d.sys
- C:\Users\%UserName%\AppData\h4_svc.bat
- C:\Users\%UserName%\AppData\Renc.sys
- C:\Users\%UserName%\AppData\t2_svc.bat
- C:\Users\%UserName%\AppData\v9_svc.vbs
- C:\Users\ReadMe.hta
- C:\Users\<Random> ReadMe.txt
- C:\Windows\System32\Tasks\Microsoft_Auto_Scheduler
- C:\<Random> ReadMe.txt
- Payment Instruction File : ReadMe.hta / <6자리 Random> ReadMe.txt
- Major Characteristics :
- Offline Encryption
- Turns off User Access Control (UAC)
- Turns off Windows Firewall (netsh advfirewall set currentprofile state off, netsh firewall set opmode mode=disable)
- Allow Windows firewall rules (netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes)
- Block processes execution (dbeng50.exe, msftesql.exe, sqlagent.exe, sqlbrowser.exe, sqlservr.exe, visio.exe etc.)
- Disable system restore (vssadmin.exe Delete Shadows /All /Quiet, wmic shadowcopy delete, wbadmin delete catalog -quiet)
- Adds the Microsoft_Auto_Scheduler task scheduler to automatically run the file "C:\Users\%UserName%\AppData\t2_svc.bat" every 6 minutes.
List