Sophos

W32/Rbot-CGK

Aliases
  • Packed.Win32.CryptExe
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
  • Peer-to-peer
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from April 2006 (4.04)
Protection available since 21 February 2006 14:43:05 (GMT)
Last updated 22 February 2006 10:00:52 (GMT)
Detected by All Sophos products

Action

More Information

W32/Rbot-CGK is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-CGK 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-CGK copies itself to <System>\dllmanager.exe.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows Plug and Play Service 32 BIT
dllmanager.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Plug and Play Service 32 BIT
dllmanager.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows Plug and Play Service 32 BIT
dllmanager.exe

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1

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