Always be weary of what you download from the Internet, especially when it’s free.

Just to re-iterate, you can’t install ANYTHING on MAC OS X without entering your password first.

Your computer gets infected because they lure you with the promise of free screen savers and a converter for video files. After you’ve agreed to install them, it’s over. Hello spyware!

Remember – nothing is impenetrable.

Link to another article discussing the same incident…