Microsoft also recommends that users ensure that their network passwords are strong to prevent this worm from spreading via weak administrator passwords. More information is available .here
Microsoft also recommends that users apply an update that changes the AutoPlay functionality in Windows to prevent this worm from spreading via USB drives. More information is available in the .Microsoft Knowledgebase Article KB971029
Note: Computers infected by Conficker may be unable to connect to Web sites related to security applications and services that may otherwise assist in the removal of this worm (for example, downloading antivirus updates may fail). In this case users will need to use an uninfected computer to download any appropriate updates or tools and then transfer these to the infected computer.
Microsoft Help and Support have provided a detailed guide to removing a Win32/Conficker infection from an affected computer. - Virus alert for Win32/Conficker and manual removal instructionsFor detailed instructions on how to manually remove Win32/Conficker, view the following article using an uninfected computer: http://support.microsoft.com/kb/962007