Does anybody know of a good, free downloadable antivirus program?

We are looking for a program that not only scans and tells you what and where you are infected, but something that will get rid of it and prevent new occurances. We have a trojan horse, fo mone, among a few other viruses. Any help would be great!

Does anybody know of a good, free downloadable antivirus program?norton internet security

Limewire!

Does anybody know of a good, free downloadable antivirus program?spyware remove

http://free.grisoft.com
check out filehippo!
Panda.
AVG is ok free and lavasoft adaware is good too. You could just get a free trial from someone like symantech (norton antivirus) for about a month. Works as good as any other.
avast antivirus
your wish is my command here is your link

http://www.google.co.uk/search?hl=en%26q=g...
AVG Antivirus

http://www.download.com/AVG-Anti-Virus-F...

I've used it for years and love it. It works wonderfully
There are several, you can try ClamWin, Avast, or AVG. I've used all three at one time or another. Right now I run the avg paid program on my home computers.
AVG by Grisoft
I like AVG
active shield virus software... great program!
Avast, Great program
I use AVG Anti-Virus free edition. You can buy it on grisoft.com
I see the AVG fanboys and cheerleaders are out in full force again here on Yahoo Answers!