W32/Rbot-GXL is a worm and IRC backdoor Trojan for the Windows platform.
When run W32/Rbot-GXL copies itself to <System>\vghhost.exe and creates the files:
<System>\packet.dll - this file can be safely removed
<System>\wpcap.dll - this file can be safely removed
<System>\drivers\npf.sys - this file can be safely removed
W32/Rbot-GXL spreads via networks shares encrypted with weak passwords as well as using the LSASS (MS04-011) vulnerability exploit.
W32/Rbot-GXL sets the following registry entries:
HKCU\Software\Microsoft\OLE
Visual Graphic
vghhost.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Visual Graphic
vghhost.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Visual Graphic
vghhost.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1