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

  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : c1e84d6a8259c1444430dc1cc6fc161e
 
  • Major Detection Name : Ransom:Win32/Troldesh.C (Microsoft), Ransom_CRYSIS.F116JL (Trend Micro)
 
  • Encrypted File Pattern : .id-<Random>.bitcoinpay@india.com.xtbl
 
  • Malicious File Creation Location :
         - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.exe
         - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Decryption instructions.jpg
         - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Decryption instructions.txt
         - C:\Users\%UserName%\AppData\Roaming\<Random>.exe
 
  • Payment Instruction File : Decryption instructions.jpg / Decryption instructions.txt
 
  • Major Characteristics :
         - Offline Encryption
         - CrySis / Dharma Ransomware series
         - Disable system restore (vssadmin delete shadows /all /quiet)
         - Changes desktop background (C:\Users\%UserName%\Decryption instructions.jpg)

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