Videos

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

  • Distribution Method : Automatic infection using exploit by visiting website
 
  • MD5 : 54a3065cae4df62f8cb0cf5b01906526
 
  • Major Detection Name : Win-Trojan/CryptoShield.Gen (AhnLab V3), Gen:Variant.Ransom.HydraCrypt.28 (BitDefender)
 
  • Encrypted File Pattern : <Random Filename>.<Random>.XAXAX0X0 → <Random Filename>.<Random>.CRYPTOSHIELD
 
  • Malicious File Creation Location :
     - C:\ProgramData\MicroSoftTMP
     - C:\ProgramData\MicroSoftTMP\system32
     - C:\ProgramData\MicroSoftTMP\system32\winlogon.exe
     - C:\Users\%UserName%\Music\# RESTORING FILES #.HTML
     - C:\Users\%UserName%\Music\# RESTORING FILES #.TXT
 
  • Payment Instruction File : # RESTORING FILES #.HTML / # RESTORING FILES #.TXT
 
  • Major Characteristics :
     - Offline Encryption
     - CryptFile2 / CryptoMix / HydraCrypt / Mole / Revenge / Zeta Ransomware series
     - Disable system restore (vssadmin.exe Delete Shadows /All /Quiet, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures)
     - Stop VSS service

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