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LockCrypt v2.0 Ransomware (.<Original Extension> id-<Random>.BDKR)

  • Distribution Method : Unknown
 
  • MD5 : f1927e7f90416bf39fc7991bbc57e1b3
 
  • Major Detection Name : Gen:Variant.Ransom.LockCrypt.7 (BitDefender), Ransom:Win32/LockCrypt (Microsoft)
 
  • Encrypted File Pattern : .<Original Extension> id-<Random>.BDKR
 
  • Malicious File Creation Location :
     - C:\Windows\cllog.bat
     - C:\Windows\searchfiles.exe
     - C:\How To Restore Files.txt
 
  • Payment Instruction File : How To Restore Files.txt
 
  • Major Characteristics :
     - Offline Encryption
     - DXXD / MrDec Ransomware series
     - Encryption starts after killing all process except listed in whitelist processes
     - Turns off User Access Control (UAC)
     - Disable system restore (vssadmin delete shadows /all)
     - Deletes event log

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