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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 : 70f79f3c7458508fed10349a31910c37
- Major Detection Name : Trojan-Ransom.Win32.Stop.az (Kaspersky), Trojan:Win32/Kryptik.S!MTB (Microsoft)
- Encrypted File Pattern : .lotep
- Malicious File Creation Location :
- C:\SystemID
- C:\SystemID\PersonalID.txt
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>\5.exe
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>\updatewin.exe
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>\updatewin1.exe
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>\updatewin2.exe
- C:\Users\%UserName%\AppData\Local\<Random>-<Random>-<Random>-<Random>-<Random>\<Random>.exe
- C:\Users\%UserName%\AppData\Local\Temp\MpCmdRun.log
- C:\Users\%UserName%\AppData\Local\script.ps1
- C:\Windows\System32\drivers\etc\hosts
- C:\Windows\System32\Tasks\Time Trigger Task
- Payment Instruction File : _readme.txt
- Major Characteristics :
- Offline Encryption
- Create a fake "Windows Update" message
- Modifies Windows Host file (C:\Windows\System32\drivers\etc\hosts) to block security web sites.
- Disable and Blocks Task Manager (DisableTaskmgr)
- Disable Windows Defender (Set-MpPreference -DisableRealtimeMonitoring $true, "C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all)
- Reruns by adding "Time Trigger Task" in Task Scheduler to run "%LocalAppData%\<Random>-<Random>-<Random>-<Random>-<Random>\<Random>.exe --Task" for every 5 minutes.
- Generates additional AZORult malware (Info stealer)