Videos

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

  • Distribution Method : Mail attachment file
 
  • MD5 : 6207288dec95b1309827ec2b167c52d6
 
  • Major Detection Name : Ransomware/Win.LockBit.R521104 (AhnLab V3), Ransom.Win32.LOCKBIT.YXCIUZ (Trend Micro)
 
  • Encrypted File Pattern : .BBNvvvgMC
 
  • Malicious File Creation Location :
     - C:\ProgramData\<Random>.tmp
     - C:\ProgramData\BBNvvvgMC.ico
 
  • Payment Instruction File : BBNvvvgMC.README.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (agntsvc, dbsnmp, excel, mydesktopservice, oracle, thunderbird etc.)
     - Delete multi services (EventLog, Sense, vmicvss, vmvss, VSS, WdBoot, WdFilter, WdNisDrv, WdNisSvc)
     - After the file is encrypted, it overwrites free disk space via the file “C:\ProgramData\<Random>.tmp” to prevent file recovery.
     - Change encrypted file (.BBNvvvgMC) icon (HKEY_CLASSES_ROOT\BBNvvvgMC)

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