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様々なランサムウェアに対応するAppCheckの事前防御、自動復旧およびリアルタイムバックアップ機能を映像でご確認いただけます。

  • Distribution Method : Unknown
 
  • MD5 : 92b9f39260aa8104212fff4ddf1ba178
 
  • Major Detection Name : MSIL.Trojan-Ransom.Remind.B (GData), Ransom:MSIL/Filecoder.PK!MSR (Microsoft)
 
  • Encrypted File Pattern : .<4-Digit Random Extension>
 
  • 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
 
  • Payment Instruction File : ReadMe.txt
 
  • Major Characteristics :
     - Offline Encryption
     - BiggyLocker / Penta Ransomware series
     - The Japanese users are targeted.
     - 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)
     - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\<Random>.jpg)

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