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Xorist Ransomware (.lockerxxs)

  • Distribution Method : Unknown
 
  • MD5 : af519c5afb2b0acba978364805f551ea
 
  • Major Detection Name : Trojan-Ransom.Win32.Xorist.ln (Kaspersky), Ransom:Win32/Sorikrypt (Microsoft)
 
  • Encrypted File Pattern : .lockerxxs
 
  • Malicious File Creation Location :
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\HOW TO DECRYPT FILES.txt
     - C:\Users\%UserName%\AppData\Local\Temp\yQt5364u5kCBxNU.exe
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HOW TO DECRYPT FILES.txt
 
  • Payment Instruction File : HOW TO DECRYPT FILES.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Boom / Xorist-Frozen Ransomware series
     - Change the encrypted file (.lockerxxs) icon (HKEY_CLASSES_ROOT\SBBOBDABCTPJENQ)

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