Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 17 January 2006 15:34:52 (GMT) |
| Detected by | All Sophos products |
- Endpoint Security and Control 9.0
- Small business solutions 4.0
Action

Summary
Action
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Please follow the instructions for removing Trojans.
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Troj/GrayBrd-BF is a Trojan for the Windows platform.
When first run Troj/GrayBrd-BF copies itself to <System>\svch0st.exe and creates the file <System>\DefenderDrv.sys.
The file DefenderDrv.sys is detected as Troj/HacDef-AN and provides stealthing for Troj/GrayBrd-BF. It is registered as a new system driver service named "BODefenderDrv".
Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\BODefenderDrv\.
