W32/Rbot-GKZ

Category: Viruses and Spyware Protection available since:03 Apr 2007 00:00:00 (GMT)
Type: Win32 worm Last Updated:17 May 2007 00:00:00 (GMT)
Prevalence: Small Number of Reports

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W32/Rbot-GKZ is a worm with IRC backdoor functionality for the Windows platform.

W32/Rbot-GKZ 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.

W32/Rbot-GKZ spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: SRVSVC (MS06-040) and Realcast.

When first run W32/Rbot-GKZ copies itself to <System>\GoogleUpdater.exe.

The following registry entries are created to run GoogleUpdater.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Office Monitors
<System>\GoogleUpdater.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Office Monitors
<System>\GoogleUpdater.exe

The following registry entry is set:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N