Been a long time. The last time I got affected was via a Shockwave/Flash banner ad for the movie "Moulin Rouge," which dates this story. It's not so much that I clicked on it, but it was on a forum banner ad. I didn't get a virus as much as I got "VOULEZ-VOUS COUCHER AVEC MOI!!" screaming from my speakers from out of nowhere with no warning.
While the head of our Canadian operations was in my office.
Who, of course, spoke French.
Thankfully, she just teased me about it and I didn't get fired.
Been using an ad blocker ever since.