Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Included in our products from | December 2006 (4.12) |
| Protection available since | 29 October 2006 16:20:54 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for removing Trojans.
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Troj/HacDef-GZ is a rootkit for the Windows platform.
Troj/HacDef-GZ contains functionality to hide the presence of processes, files and services. Troj/HacDef-GZ is a rootkit for the Windows platform.
Troj/HacDef-GZ contains functionality to hide the presence of processes, files and services.
Troj/HacDef-GZ is registered as a new system driver service named "guowaaayu", with a display name of "Print Spooler Service" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\guowaaayu\
