Summary
Worm:W32/Autorun.BHX spreads by copying itself to removable drives and attempts to steal username and password information for several different online games.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
- Check for the latest database updatesFirst, check if your F-Secure security program is using the latest updates, then try scanning the file again.
- Submit a sampleAfter checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
- Exclude a file from further scanningIf you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.Note: You need administrative rights to change the settings.
Technical Details
- Dekaron
- MapleStory
- Perfect World
- Ragnarok Online
- Seal Online
- Yulgang
- Zheng Tu Online
File System Changes
- %temp%\n2mmf2qu.dll
- %windir%\system32\kavo.exe
- %windir%\system32\kavo0.dll
- %temp%\6itt.sys
- %windir%\system32\wincab.sys
- %temp%\6itt.sys
- %windir%\system32\wincab.sys
Network Connections
- https://www.microsofttw.com/jj/[REMOVED].rar
Registry Modifications
- HKLM\System\CurrentControlSet\Services\athyd Type = 00000001 Start = 00000003 ErrorControl = 00000001 ImagePath = \??\C:\WINDOWS\system32\wincab.sys DisplayName = athyd by %windir%\system32\services.exe (PID:652)
- HKLM\System\CurrentControlSet\Services\athyd\Security Security = \x01\x00\x14\x80\x90\x00\x00\x00\x9C\x00\x00\x00\x14\x00\x00\x00\x30\x00\x00\x00\x02\x00\x1C\x00\x01\x00\x00\x00\x02\x80\x14\x00\xFF\x01\x0F\x00\x01\x01\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x60\x00\x04\x00\x00\x00\x00\x00\x14\x00\xFD\x01\x02\x00\x01\x01\x00\x00\x00\x00\x00\x05\x12\x00\x00\x00\x00\x00\x18\x00\xFF\x01\x0F\x00\x01\x02\x00\x00\x00\x00\x00\x05\x20\x00\x00\x00\x20\x02\x00\x00\x00\x00\x14\x00\x8D\x01\x02\x00\x01\x01\x00\x00\x00\x00\x00\x05\x0B\x00\x00\x00\x00\x00\x18\x00\xFD\x01\x02\x00\x01\x02\x00\x00\x00\x00\x00\x05\x20\x00\x00\x00\x23\x02\x00\x00\x01\x01\x00\x00\x00\x00\x00\x05\x12\x00\x00\x00\x01\x01\x00\x00\x00\x00\x00\x05\x12\x00\x00\x00 by %windir%\system32\services.exe (PID:652)
- HKCU\SoftWare\Microsoft\Windows\CurrentVersion\Run kava = C:\WINDOWS\system32\kavo.exe by %cwd%\sample.exe (PID:1548) [Launchpoint: Run]
- HKLM\System\CurrentControlSet\Services\athyd by services.exe (PID: 652)
- HKLM\System\CurrentControlSet\Services\athyd\Security by services.exe (PID: 652)
Stealth Features
- ntoskrnl.exe!NtOpenProcess SSDT hook to 0xf87f07d0 in %windir%\system32\wincab.sys Kernel process (PID: 0)
- ntoskrnl.exe!NtEnumerateValueKey SSDT hook to 0xf87f09a2 in %windir%\system32\wincab.sys Kernel process (PID: 0)
- ntoskrnl.exe!NtEnumerateKey SSDT hook to 0xf87f0aae in %windir%\system32\wincab.sys Kernel process (PID: 0)
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