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ONI Ransomware (<Random Filename>.ONI)

  • Distribution Method : Unknown
 
  • MD5 : 92b4ba3c69b327432bd14991e73e70b8
 
  • Major Detection Name : Generic.Ransom.Oni.C799D4F1 (BitDefender), Ransom_INO.THHBGAH (Trend Micro)
 
  • Encrypted File Pattern : <Random Filename>.ONI
 
  • Malicious File Creation Location : C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\RESTORE_ONI_FILES.txt
 
  • Payment Instruction File : RESTORE_ONI_FILES.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (agntsvc.exe, dbeng50.exe, excel.exe, firefoxconfig.exe, mydesktopqos.exe, sqbcoreservice.exe etc.)
     - Disable system restore (wbadmin DELETE SYSTEMSTATEBACKUP, wmic SHADOWCOPY DELETE, vssadmin Delete Shadows /All /Quiet, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures)

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