high
Summary
Summary
Action- More Information
| Protection available since | 29 March 2004 14:05:53 (GMT) |
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| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Check your administrator passwords and review network security.
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\Threaded
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\Threaded
and delete them if they exist.
Close the registry editor.
More Information
W32/SdBot-MR is a worm which spreads via network shares.
When first run the worm will create a copy of itself named ntsys32.exe in the Windows system folder and create the following registry entries to ensure that the copy is run every time Windows starts:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\Threaded
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\Threaded
W32/SdBot-MR searches for shared folders with weak passwords and copies itself to the Windows system folder of a vulnerable computer as ntsyst32.exe.
The worm includes backdoor functions which can be controlled by a remote attacker over IRC.
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