Sophos

Troj/GrayBrd-BF

Aliases
  • BackDoor-ARR.sys
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
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

More Information

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\.

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