Fake Windows pop-under browser hijack spam FAIL.

This pop-under ad, complete with carefully-crafted "warning pop-up", appeared on my desktop recently - I love how they went to so much trouble to make it look exactly like a Windows error message, but didn't actually bother to check what OS I was browsing on.

But, hey, better safe than sorry, right? After all, Ebola, Marburg, Avian Flu, they've all made the species jump ...