Sophos

W32/Korgo-C

Aliases
  • Worm.Win32.Padobot.c
Category
Type
What to do
Prevalence low high

Summary

 
Protection available since 28 May 2004 09:20:59 (GMT)
Detected by All Sophos products
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Action

Please follow the instructions for removing worms.

Windows NT/2000/XP

In Windows NT/2000/XP you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
SysTray = <path to worm>\<random name>.exe

and delete it if it exists.

Close the registry editor.

More Information

W32/Korgo-C is a network worm using the LSASS exploit to propagate. When executed the worm copies itself to the Windows system folder using a randomly created name and creates the following registry entries so as to auto-start on
user logon:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
SysTray = <path to worm>\<random name>.exe

W32/Korgo-C scans random IP addresses attempting to exploit them, the results of the scans being transmitted to a specific IRC server+channel.

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