National Cyber Alert System
Technical Cyber Security Alert TA09-088A archive
Conficker Worm Targets Microsoft Windows Systems
Original release date: March 29, 2009
Last revised: March 30, 2009
Source: US-CERT
Systems Affected - Microsoft Windows
Solution
Instructions, support and more information on how to manually remove a Conficker/Downadup infection from a system have been published by major security vendors. Please see below for a few of those sites. Each of these vendors offers free tools that can verify the presence of a Conficker/Downadup infection and remove the worm:
http://www.symantec.com/business/security_response/writeup.jsp?docid=2009-011316-0247-99
Microsoft:
http://support.microsoft.com/kb/962007
http://www.microsoft.com/protect/computer/viruses/worms/conficker.mspx
Microsoft PC Safety hotline at 1-866-PCSAFETY, for assistance.
US-CERT encourages users to prevent a Conficker/Downadup infection by ensuring all systems have the MS08-067 patch (seehttp://www.microsoft.com/technet/security/Bulletin/MS08-067.mspx), disabling AutoRun functionality (see http://www.us-cert.gov/cas/techalerts/TA09-020A.html), and maintaining up-to-date anti-virus software.
