Videos

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

  • Distribution Method : Unknown
 
  • MD5 : a71034ae4c45ab2d4aca7f805a85b5d0
 
  • Major Detection Name : Win-Trojan/Sagecrypt.Gen (AhnLab V3), Ransom:Win32/Milicry!rfn (Microsoft)
 
  • Encrypted File Pattern : .<Original Extension>... → .sage
 
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.lnk
         - C:\Windows\System32\Tasks\<Random>
 
  • Payment Instruction File : !HELP_SOS.hta
 
  • Major Characteristics :
         - Offline Encryption
         - CryLocker Ransomware series
         - File encryption using explorer.exe (Windows Explorer) Clean file
         - Change the default values of the registry entry "HKEY_CLASSES_ROOT\mscfile\shell\open\command" and a ransomware execution using Event Viewer (eventvwr.exe)
         - Disable system restore (vssadmin.exe delete shadows /all /quiet, wmic shadowcopy delete, wbadmin delete catalog -quiet)
         - Encryption guide using Text-to-Speech (TTS) function
         - Guide a payment instrucition in 17 languages including English and Korean
         - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\<Random>.bmp)

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