No, turns out it was probably a system hack on someone who wasn't careful with their PW. Someone let a hacker into his root level, where he ran some common UNIX malware. Not a virus. See here for a follow up.
... and each quarter there are more PC's sold then the combined total of every Mac EVER sold.
So? Lots more cheap screwdrivers are sold than quality ones as well. It doesn't make them less tempting to tool thieves.
The followup link you gave seems to have nothing to do with the link I provided - since mine even identifies the website you could "catch" it from and how it will spread from your comp to others.
Ah, but the cheap screwdriver will work with the screws you bought years ago - Your expensive screwdriver requires all new screws and you better hope you never have need of the old ones --- you're outa luck.