Verify you have a firewall turned on to help protect your computer against infection prior to you taking other steps. If your computer is infected, turning on the firewall software will help control the outcome of the worm on your computer.
For more information on personal firewalls, below are resources worth exploring:
Keep windows up-to-date by visiting the Microsoft site and get the high priority updates.
Utilize antivirus software and check frequently for the latest updates installed on your computer.
If antivirus software is already installed, go to your antivirus vendor's website to get the latest virus definitions.
If antivirus software is not installed, First priority should be to purchase a copy.
By staying current, you'll be able to recognize a threat more accurately and take corrective action immediately.
Most viruses come through email. When in doubt delete the email.
If a virus destroys your files, at least you can replace them with your back-up copy. You should store your backup copy in a separate location such as on a CD, DVD or flash drive.
Some email viruses are capable of automatically executing as soon as they appear in the Preview Pane. Disable the preview pane in your email application.
If you believe even a little that your computer may be infected, use the worm removal tool. For further information on this worm, see anyone of the below websites: