W32/Sdbot-WM

Please follow the instructions for removing worms.

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.

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\Run\

and remove any reference to any file you deleted.

Close the registry editor.

Check the following items

• To renable DCOM you can edit the registry, but it's better to use Dcomcnfg.exe. See Microsoft article 825750 for details.
• Check your administrator passwords and review network security.
• Delete the file KEYLOG.TXT in the Windows system folder, if it is present.

W32/Sdbot-WM is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels. W32/Sdbot-WM is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels.

W32/Sdbot-WM attempts to spread to network shares with weak passwords.

W32/Sdbot-WM copies itself to the Windows system folder as MSNMSGR.EXE and creates entries at the following locations in the registry with the value "Microsoft Windows Update" so as to run itself on system startup:

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

W32/Sdbot-WM may attempt to send a message via certain instant messenger programs to encourage users to download a file from the website http://kasized.com. At the time of writing this file was unavailable for download.

W32/Sdbot-WM may set the following registry entry:

HKLM\SOFTWARE\Microsoft\Ole\EnableDCOM = "N"

W32/Sdbot-WM may attempt to delete network shares on the host computer.

W32/Sdbot-WM may attempt to log keystrokes to the file KEYLOG.TXT in the Windows system folder.

W32/Sdbot-WM also copies itself to the filename MSNCFG.DAT and may also copy itself to the filename PAYLOAD.DAT.