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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 : e90b933f72ce5882c907a9cce13be1d2
- Major Detection Name : a variant of Win32/Kryptik.GGZS (ESET), Trojan-Ransom.Win32.Purga.ml (Kaspersky)
- Encrypted File Pattern : <Random Filename>.osk
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Roaming\osk.exe
- C:\Users\%UserName%\HOW TO RECOVER ENCRYPTED FILES.TXT
- Payment Instruction File : HOW TO RECOVER ENCRYPTED FILES.TXT
- Major Characteristics :
- Offline Encryption
- Amnesia / Scarabey Ransomware series
- Disable and Blocks Registry Editor (regedit.exe) and Task Manager (Taskmgr.exe)
- Block processes execution (isqlplussvc.exe, msaccess.exe, msftesql.exe, mydesktopqos.exe, mysqld-nt.exe, mysqld-opt.exe etc.)
- Checks following folder name for encryption: Adobe, Firebird, Microsoft, Microsoft SQL Server, Microsoft SQL Server Compact Edition, MSSQL.1, Oracle
- Disable system restore (wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0, wmic SHADOWCOPY DELETE, vssadmin Delete Shadows /All /Quiet, bcdedit /set {default} recoveryenabled No, bcdedit /set {default} bootstatuspolicy ignoreallfailures)