W32/Rbot-GVH is a worm for the Windows platform.
W32/Rbot-GVH includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/Rbot-GVH copies itself to <System>\svdhost.exe and creates the following files:
<System>\drivers\npf.sys
<System>\packet.dll
<System>\wpcap.dll
The following registry entries are created to run svdhost.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Updates
svdhost.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Updates
svdhost.exe
The file npf.sys is registered as a new system driver service named "NPF", with a display name of "Netgroup Packet Filter". Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\NPF
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
Microsoft Updates
svdhost.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
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