See what started it all in "Fighting back and Making a Difference". As Nellie2 explains here:
Basically, what is happening is that if you are unlucky enough to visit a malicious site then your browser will install some of the crud from this site and your dial-up networking settings will be changed to get you to dial a for-pay service. (And yes, a lot of people still have dial up modems installed). More info here at Spyware ConfidentialThis is defintely a topic to follow. If you run in to those slugs, please go to Malware Complaints and state your case.