Sophos

Troj/Sdbot-M

Category
Type
What to do
Prevalence low high

Summary

 
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Action

Please follow the instructions for removing Trojans.

Please read the instructions for removing Trojans.

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

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 references to any files you deleted.

Close the registry editor.

More Information

Troj/Sdbot-M is a backdoor Trojan which allows a remote user unauthorised access and control over the machine via IRC channels.

When run Troj/Sdbot-M drops itself as C:\Windows\system\svhost.exe and adds the registry entry 'inet' with value 'svhost.exe' to

HKLM\Software\Microsoft\Windows\CurrentVersion\Run

and

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

Troj/Sdbot-M runs in the background as a service process and attempts to connect to an IRC server and join a specific channel. Troj/Sdbot-M then listens on the IRC channel for specific commands and carries out the appropriate actions.

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