CommonName.com

Hi all,
anyone know about these guys? commonName. It seems that any button I click on in my IE 6 i get redirected to commonName.com. Even off local sites on my localhost. I click on the button and it tries to find commonName.com. The words do not appear anywhere at all in my code. then i come across someone on another forum complaining about the exact same thing! he says that he found a program called commonName on his PC. I have found the same thing on mine. Anyone with any info regarding this?