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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 : Automatic infection using exploit by visiting website
- MD5 : e8a3d9203c5c41a47f78f984aa722038
- Major Detection Name : Ransom.GetCrypt (Malwarebytes), Trojan.Win32.S.GetCrypt.17920.A (ViRobot)
- Encrypted File Pattern : .<4-Digit Random Extension>
- Malicious File Creation Location : C:\Users\%UserName%\AppData\Roaming\encrypted_key.bin
- Payment Instruction File : # DECRYPT MY FILES #.txt
- Major Characteristics :
- Offline Encryption
- Disguised as a "C:\Windows\System32\svchost.exe" system file executable
- Disable system restore (vssadmin.exe delete shadows /all /quiet)
- Attempts to access SMB network using dictionary attack (1234567890, admin, Administrator, qwerty, r00t, qwerty etc.)
- Changes desktop background (C:\Users\%UserName%\AppData\Local\Tempdesk.bmp)