This type of trojan has been around for a while. I would get law enforcement involved and pay with a credit card if they would take it. Sometimes crooks are that stupid.
Just when you thought viruses were annoying enough ...
Here comes one that will encrypt your files, then demand a ransom to unencrypt them.
http://www.eweek.com/article2/0,1759,1937408,00.asp?kc=EWRSS03119TX1K0000594
-Terry

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic