W32/Tpbot-A

Please follow the instructions for removing worms.

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
wintbp.exe
"wintbp.exe"

and delete it if it exists.

Close the registry editor.

W32/Tpbot-A is a network worm with backdoor Trojan functionality for the Windows platform.

W32/Tpbot-A spreads using a variety of techniques including the exploitation of operating system vulnerabilities such as LSASS (MS04-011) and PnP (MS05-039).

W32/Tpbot-A may attempt to download and execute additional files.

Patches for the operating system vulnerabilities exploited by W32/Tpbot-A can be obtained from Microsoft at:

MS04-011
MS05-039 W32/Tpbot-A is a network worm with backdoor Trojan functionality for the Windows platform.

When run, W32/Tpbot-A copies itself to the Windows system folder as wintbp.exe and creates the following registry entry in order to run each time a user logs on:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
wintbp.exe
"wintbp.exe"

W32/Tpbot-A spreads using a variety of techniques including the exploitation of operating system vulnerabilities such as LSASS (MS04-011) and PnP (MS05-039).

The backdoor component connects to an IRC server and joins a predetermined channel where it then awaits commands from attackers.

W32/Tpbot-A may attempt to download and execute additional files.

Patches for the operating system vulnerabilities exploited by W32/Tpbot-A can be obtained from Microsoft at:

MS04-011
MS05-039