Sophos

W32/Agobot-JT

Aliases
  • Gaobot
Category
Type
What to do
Prevalence low high

Summary

 
Protection available since 10 June 2004 09:53:10 (GMT)
Detected by All Sophos products
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Action

Please follow the instructions for removing worms.

Change any data that may have become compromised.

You will also need to edit the following registry entries, if they are present. 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 entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

and remove any reference to any file you deleted.

Close the registry editor.

More Information

W32/Agobot-JT is a backdoor worm which runs in the background as a
system process and allows unauthorised remote access to the computer.

The worm copies itself to the Windows system folder as NAVAPSVC.EXE and adds entries to the registry at

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
and
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

to run itself on system restart.

W32/Agobot-JT may also add a number of registry entries at:

HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_VIDEO_LINE
HKLM\SYSTEM\ControlSet001\Services\Video line
HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_VIDEO_LINE
HKLM\SYSTEM\CurrentControlSet\Services\Video line

Each time W32/Agobot-JT is run it attempts to connect to a remote IRC server
and join a specific channel.

W32/Agobot-JT may also collect system information and registration keys of
software that is installed on the computer.

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