spyware click on advertisement or wait 60 seconds

It has happens among you who have this kind of spyware saloperies

you're quietly on the computer and bam!:

"black screen with a banner and just a small message:
click on advertisement or wait 60 seconds "

One of Mr. spyware. E blocking the computer for 60 seconds.

I looked a little on google but found no similar cases .. Does there is among you who have already been here and your way to turn?