When those things POP UP the first thing you do is do not click anything, Kill the computer (Forced shut down) and power back on.. Often that is enough.
I too remember the Apple Commercials where PC got the sniffles, but the MAC did not
Well,, that's true, but where the PC "Catches cold" when the hackers go after the Mac, and they do, it's Pneumonia time..... They get downright nasty. I've met a few of 'em.