Sophos

Troj/Agent-HVP

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from November 2008 (4.35)
Protection available since 6 October 2008 19:48:33 (GMT)
Detected by All Sophos products

Action

More Information

When first run, Troj/Agent-HVP copies itself to the following location:

<System>\systeminit.exe

Troj/Agent-HVP also overwrites the following Windows system file with a malicious version:

<System>\drivers\beep.sys

The following registry entry is created in order to ensure that this file is loaded even in safe mode:

HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal
beep.sys
beep

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