Sophos

W32/Rbot-GVG

Aliases
  • Backdoor.Win32.Rbot.dzu
  • Generic.dx
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from January 2008 (4.25)
Protection available since 20 November 2007 02:44:45 (GMT)
Detected by All Sophos products

Action

More Information

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

W32/Rbot-GVG 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-GVG copies itself to <System>\ndsuhyz.exe.

The file a.ba is detected as Troj/Batten-B.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows Update
ndsuhyz.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows Update
ndsuhyz.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Windows Update
ndsuhyz.exe

The following registry entry is set, affecting internet security:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
h
h:*:Enabled:Microsoft Windows Update

The following registry entry is set:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

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