It's a trojan horse. . . Um, I mean apple.
Once you click on a link hosting the malware there is no obvious way to escape the browser window short of clicking a button that will download the malware onto your computer. As I sat and pondered how to escape an inescapable screen, a fake Mac looking warning came up and a fake virus scanner started running. Messages began appearing telling me my computer was infected with viruses.
HOW TO ESCAPEIf you do accidentally go to a web page that tries to infect your Mac computer attempting to quit the program from your dock or using Command + Q won't work. You must force quit.
Here is how to force quit:
CLICK all three keys at the same time to Force Quit the installer or browser window:
IF YOU DOWNLOAD THE MALWARE
If you do click on a link, as far as I can tell, this is what will happen:
Now that a virus is a known problem best practices would dictate that you turn off the Safari Preference that allows all "Safe" files to automatically open after downloading. You can do this by going to Safari Preferences - General - and uncheck the Open "safe" files box.
It should look like this and click "Save."
IF YOU INSTALLED THE MALWARE
Once installed the malware does three things:
REMOVING THE MALWARE
If you've already installed the malware here's an article about How to remove MacDefender fake antivirus program.
It's actually not a big surprise and is the price Apple is paying for its success. Everyone has always said that the Mac audience was too small for hackers to bother writing viruses for their users. But with Apple Inc.'s recent surge in popularity and profitability it was just a matter of time before Mac users would be targeted the way PC users have been for years.
FOR MORE INFORMATION
• New MACDefender malware discovered for OS X