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VegaLocker Ransomware (<Original Filename>.<Original Extension> / ABOUT YOUR FILES.TXT)

  • Distribution Method : Unknown
 
  • MD5 : 3a1230a7d7a0d7dafafb443d0cb751d4
 
  • Major Detection Name : Trojan.Ransom.VegaLocker (ALYac), Ransom.Win32.VEGALOCKER.THBBOAI (Trend Micro)
 
  • Encrypted File Pattern : <Original Filename>.<Original Extension>
 
  • Payment Instruction File : ABOUT YOUR FILES.TXT
 
  • Major Characteristics :
     - Offline Encryption
     - Use a "LEDI, TOV" Digital Signatures
     - The Russian users targeted
     - Disable system restore (bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet, wbadmin delete systemstatebackup, wbadmin delete systemstatebackup -keepversions:0, wbadmin delete backup, wmic shadowcopy delete, vssadmin delete shadows /all /quiet)
     - Initializing the Terminal Server Client Registry (reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f, reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f)
     - Deletes event log (wevtutil.exe clear-log Application, wevtutil.exe clear-log Security, wevtutil.exe clear-log System, sc config eventlog start=disabled)

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