Videos

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

  • Distribution Method : Unknown
 
  • MD5 : deb8f4311fd52319f6168c10b626c808
 
  • Major Detection Name : Generic.Ransom.Hiddentear.A.4D918C87 (BitDefender), Ransom.MSIL.CHAOS.SMRA14 (Trend Micro)
 
  • Encrypted File Pattern : .CRYPTEDPAY
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\README.txt
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url
     - C:\Users\%UserName%\AppData\Roaming\README.txt
     - C:\Users\%UserName%\AppData\Roaming\svchost.exe
     - <Drive Letter>:\surprise.exe
 
  • Payment Instruction File : README.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Data corruption method
     - BiggyLocker / ONYX / Penta / Yashma Ransomware series
     - Disable system restore (vssadmin delete shadows /all /quiet, wmic shadowcopy delete, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
     - Propagation using "<Drive Letter>:\surprise.exe" file.
     - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\<Random>.jpg)

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