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

  • Distribution Method : Unknown
 
  • MD5 : a85e6b19a2973cafdfe1616527359975
 
  • Major Detection Name : Trojan.Ransom.Serpent (ALYac), Ransom.Serpent (Malwarebytes)
 
  • Encrypted File Pattern : .serp
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\RarSFX0\Txoeoaon.exe 
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Txoeoaon.lnk
     - C:\Users\%UserName%\AppData\Roaming\spfc\Txoeoaon.exe
 
  • Payment Instrucition File : README_TO_RESTORE_FILES<3 Digit Random>.html / README_TO_RESTORE_FILES<3 Digit Random>.txt
 
  • Major Characteristics :
     - HadesLocker / WildFire Locker Ransomware series
     - File encryption using "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
     - Block processes execution (msftesql.exe, oracle.exe, sqlagent.exe, sqlbrowser.exe, sqlservr.exe, sqlwriter.exe etc.)
     - Disable system restore (WMIC.exe shadowcopy delete /nointeractive)
     - Interrupt file recovery using "C:\Windows\System32\cipher.exe" /W:<Drive Letter>

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