In April 2012, security researchers discovered a new piece of malware targeting OS X users. The malware was dubbed 'Flashback' and reportedly infected more than 600,000 Mac users, including about 200 machines on Apple's Cupertino campus. The malware was able to infect so many machines because it was cleverly masqueraded as a fake Adobe Flash installer.
Once active, the malware would inject ads from pay per click providers into search results instead of sourcing the ads from Google. The security firm Symantec estimated that the malware had the potential to net its creators upwards of $10,000 a day, but further analysis
