For Mark

http://www.malwarebytes.org/
tdss rootkit thingy
More info
Bleeping Computer Doom Doom Doom! Your PC can no longer be trusted! Doom!
DSL reports Recommends Malwarebytes
Micro$oft communities Recommends trendsecure
secure gear Recommends Trendsecure software

www.safer-networking.org/
malwarebytes.org/
www.avast.com/eng/download-avast-home.html
www.lavasoft.com/products/ad_aware_free.php