how to remove IRC.Momma.Worm ?

Answer 1

Start your computer in safe mode & do a online scan from the link below - do not do what the plonkers before have answered because anything you download will add to the worm.

Answer 2

Protect your PC from both known and unknown virus attacks, spyware, Trojan horses and malware with AOL's free anti-virus software, Active Virus Shield. This comprehensive anti-virus software installs quickly, works fast, always stays on and updates automatically every hour. Plus, it takes traditional virus scanning methods and combines them with advanced technology to help detect and protect against malicious programs that can infect your PC and important files before they are infected
www.activevirusshield.com, where you can download the product and register with an e-mail address and download the free antivirus software. An activation code will be send to the email address you provide. This activation code will fully enable your free version of AOL Active Virus Shield.

Answer 3

Oh dear - it looks like you've found out the hard way just how insecure Microsoft Windows is!
Before connecting a Microsoft Windows system to the internet, you must first take as many precaustions as you can.

For now, you can use SUPERAntiSpyware

http://www.superantispyware.com/

FREE edition to clean up your infestation.

Also on the FREE shopping list is AVG:

http://free.grisoft.com/doc/avg-anti-virus-free/lng/us/tpl/v5

But remember that even though you've cleaned this one out, Microsoft Windows is still vulnerable!

* Make sure you always run up-to-date anti-virus and anti-spyware programs.
* Always install all Microsoft security updates as soon as they come out.
* Ensure you have a properly configured firewall.
* Never use Internet Explorer (use Firefox instead) or MSN Messenger (Use GAIM or Trillian).
* Never download anything you don't understand.
* Never click on any ad banners.
* Never use any "P2P" file sharing programs.
* Consider the upgrade to Linux or Mac OS X to be free of adware / spyware / trojans