If you take a look at the link below, you will see that the people who have nothing but time on their hands have come up with creative/appalling new way of spreading spyware.  The jist of what happened is this:

Spam and Malware can slow down your computer like crazy and just leaves you wondering why it’s so slow! These are programs that are running in the background, taking up your computer’s resources.

How did I get this stuff on my computer?
Simply by browsing the internet. You don’t even realize it but by going to websites that you use to keep tabs on sporting events, look up information, catch up on television shows these sites will have pop-ups