Here are the steps to take to overcome Conficker.
1. Download Microsoft® Windows® Malicious Software Removal Tool from microsoft website (check the latest version).
2. Copy this tool to the problem server and run it.
3. Run a full scan (find at least 2 files that cause conficker) then stop the scan.
4. Then disable file/printer sharing from network properties
5. Disable port 445
- You can check it first in cmd
netstat -na | find "445" (Check the port that is open on 445)
5. Disable port 445:
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You can easily disable port 445:
a. Open the Registry Editor (Regedit.exe).
b. Find the registry key below:
HKLM\System\CurrentControlSet\ Services\NetBT\Parameters
c. On the right, look for an option named TransportBindName.
d. Then double click, and delete the default value, then it will give a blank value.
e. Close the registry editor
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6. Apply the patch from conficker.
7. Restart the server.
8. Run windows update and patch to the latest version.