Sophos

Troj/Agent-HFZ

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 21 July 2008 22:38:23 (GMT)
Detected by All Sophos products
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Action

More Information

When Troj/Agent-HFZ is installed the following files are created:

<System>\ntos.exe - copy of Troj/Agent-HFZ
<System>\wsnpoem\audio.dll - empty file, can be safely deleted
<System>\wsnpoem\video.dll - empty file, can be safely deleted

The following registry entry is changed to run ntos.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Userinit
<System>\userinit.exe,<System>\ntos.exe,

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