high
Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Protection available since | 13 August 2004 08:15:28 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
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\
testest = fxxxh.exe
and delete it if it exists.
Close the registry editor.
Check your administrator passwords and review network security.
More Information
W32/Sdbot-MK 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 while running in the background as a service process.
W32/Sdbot-MK copies itself to the Windows system folder as FXXXH.EXE and creates an entry in the registry at the following location to run itself on system startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
testest = fxxxh.exe
W32/Sdbot-MK spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.
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