The controversial SCO Group has offered $250,000 for information leading to the arrest and conviction of the person or group responsible for creating the MyDoom virus. The company also said Tuesday that it is working with U.S. Secret Service and FBI to identify the author of the virus. Also known as Novarg and Mimail.R, MyDoom spread quickly across the Internet Monday, traveling as an e-mail attachment and infecting PCs whose users opened the file. The program instructs infected PCs to send data to SCO's Web server from Feb. 1 to Feb. 12, essentially flooding the Web site and making it inaccessible. Read more: CNet News.