Sophos

W32/Rbot-GWV

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Protection available since 16 April 2008 22:33:52 (GMT)
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Action

More Information

W32/Rbot-GWV intercepts network traffic on the infected computer.

When first run W32/Rbot-GWV copies itself to <System>\svehost.exe and creates the following files:

<System>\drivers\npf.sys - clean file, part of WinPcap library; can be safely deleted
<System>\packet.dll - clean file, part of WinPcap library; can be safely deleted
<System>\wpcap.dll - clean file, part of WinPcap library; can be safely deleted

The file npf.sys is registered as a new system driver service named "NPF" with a display name of "Netgroup Packet Filter".

The following registry entries are created:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Updates
svehost.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Updates
svehost.exe

HKLM\SYSTEM\CurrentControlSet\Services\NPF

HKCU\Software\Microsoft\OLE
Microsoft Updates
svehost.exe

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