YouAreAnIdiot was a trojan horse in 2009-2012. When the user goes on the website, the trojan would show text saying "you are an idiot" with 3 smiley faces, and the browser window would bounce around the screen. If the user tries to close the browser, it makes 6 more smaller windows which also bounce around the screen. Hitting Alt+F4 shows text saying "You are an idiot!". This trojan uses up all of the system resources, causing the computer to freeze