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Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Unknown
 
  • MD5 : bd27cea74f6fe7c64c19388fb2f38e9b
 
  • Major Detection Name : Trojan.Ransom.JSWorm (ALYac), Gen:Heur.Ransom.REntS.Gen.1 (BitDefender)
 
  • Encrypted File Pattern : .[ID-<Random>][notfreekrypt@tutanota.com].JURASIK
 
  • Payment Instruction File : JURASIK-DECRYPT.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (bes10*, black*, IBM*, mysql*, postg, sage*, sql*, store.exe, vee*)
     - Stop services execution (stop MSSQL$ISARS, stop MSSQL$MSFW, stop MSSQLServerADHelper100, stop SQLAgent$ISARS, stop SQLAgent$MSFW, stop SQLBrowser etc.)
     - Disable system restore (wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0, wbadmin DELETE BACKUP -keepVersions:0, wmic SHADOWCOPY DELETE, vssadmin Delete Shadows /All /Quiet, vssadmin delete shadows /all, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures)
     - Disables Event Log (stop eventlog /y, sc config eventlog start=disabled)
     - Deletes event log ("C:\Windows\System32\cmd.exe" /c FOR /F "delims = " %%I IN ('WEVTUTIL EL') DO (WEVTUTIL CL "%%I"), "C:\Windows\System32\cmd.exe" /c for /F "tokens = *" %1 in ('wevtutil.exe el') DO wevtutil.exe cl " % 1")

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