I sent this to your sites webmaster but incase that email isn't checked frequently I've copied it here:
Hey I just wanted to let you know, twice now in the last few days my virus protection software has blocked an intrusion attempt that I think is coming from CRB's website. More specifically I think the intrusion attempts are coming through the advertisments embedded in your website.
The first one it blocked was one of those trojans that installs on your computer that pretends it is virus protection and asks you to pay to remove a virus. I'm not sure what the second one was, I didn't look it up specifically, it just notified me of the intrusion attempt.
Please review your sites security and policy on advertisments being displayed. I love the CBR site but I'm going to stop visiting it because it's not worth having my computer infected and the hassle of trying to clear or reload the system to correct any potential problems that ensue.