What tools do you use? I don't like using MacKeeper.<p>But today, this popped out in my browser because of the ad site I was redirected too.<p>VIRUS FOUND
The last website you visited has infected your MAC with a virus. Close this to begin the repair process.<p>Is this true?<p>http://imgur.com/fosrhlf
That pop-up does not indicate a real virus.<p>This discussion on an Apple forum may be helpful:<p><a href="https://discussions.apple.com/thread/6770575?tstart=0" rel="nofollow">https://discussions.apple.com/thread/6770575?tstart=0</a><p>Historically MacOS X has had few real viruses that were found "in the wild" (outside of controlled networks set up to test a potential exploit). There have been some recent Trojan Horses -- for example, a version of the Transmission application had ransomware in it. The media tends not to make a very clear distinction between viruses, remote exploits, and Trojan Horses, which doesn't help matters.