Sophos

W32/Spybot-BR

Aliases
  • Backdoor.Spyboter.gen
  • W32/Spybot.worm.gen.b
  • W32.Spybot.Worm
Category
Type
What to do
Prevalence low high

Summary

 
Protection available since 4 March 2004 16:21:48 (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.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 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\Winampa Agent

and remove any reference to any file you deleted.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\RunOnce\Winampa Agent

and remove any reference to any file you deleted.

Close the registry editor and reboot your computer.

More Information

W32/Spybot-BR is a network worm with backdoor Trojan functionality.

W32/Spybot-BR copies itself to WINAMPA.EXE in the Windows system folder and creates entries in the registry at the following locations to run itself on system startup:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\Winampa Agent
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce\Winampa Agent

W32/Spybot-BR attempts to copy itself to the startup folder of attached network drives.

W32/Spybot-BR remains resident, running in the background as a service process and listening for commands from remote users via IRC channels.

W32/Spybot-BR attempts to terminate various monitoring programs. It may also log keystrokes and attempt to steal passwords.

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