Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Protection available since | 7 May 2007 16:24:29 (GMT) |
| Detected by | All Sophos products |
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
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Please follow the instructions for removing Trojans.
After winlogon.exe has been disinfected a system reboot is recommended to complete the cleanup process.
More Information
Troj/WLHack-C is a Trojan for the Windows platform.
Troj/WLHack-C is a hacked version of <System>\winlogon.exe which is a legitimate Windows system file.
When executed on startup as a replacement to the original winlogon.exe Troj/WLHack-C attempts to load malicious code from mstscex.dll.
On NTFS systems the DLL may reside in an Alternate Data Stream within the <System> folder.
