While it is true that there are no known viruses for OS X, that doesn't mean OS X viruses can not be written. To the OP, it's a 99.999 % chance that you didn't contract a virus, however I resent the typical "Macs cant get viruses" theme. Sure a Mac can get a virus. Here's one: "rm -r ~/". People who want to preach about the Mac's security should say "Macs cant get Windows viruses, which populate about 99.9999 % of viruses out there." That's a coherent argument that makes perfect sense and is perfectly logical. Simply saying "MACS CANT GET VIRUSES" is nonsensical, of course a Mac could get a virus. Any computer can get a virus. A virus is simply a set of malicious commands, you can execute malicious commands on any system, linux, macintosh, or Windows.