W32/Rbot-GVB is a worm with IRC backdoor functionality for the Windows platform.
W32/Rbot-GVB runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
When first run W32/Rbot-GVB copies itself to <System>\uptask.exe and creates the file <User>\Application Data\temp\04e10646.tmp.
The following registry entries are created to run uptask.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Corporate Microsoft Update
uptask.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Corporate Microsoft Update
uptask.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
Corporate Microsoft Update
uptask.exe
HKLM\SOFTWARE\Microsoft\Ole
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