Within just 20 hours[1] of its October 4, 2005 release, over one million users had run the payload[2] making Samy the fastest-spreading virus of all time.
[3] The worm itself was relatively harmless; it carried a payload that would display the string "but most of all, samy is my hero" on a victim's MySpace profile page as well as send Samy a friend request.
[1] Samy Kamkar, the author of the worm, was raided by the United States Secret Service and Electronic Crimes Task Force in 2006 for releasing the worm.
[4] He entered a plea agreement on January 31, 2007, to a felony charge.
[5] The action resulted in Kamkar being sentenced to three years' probation with only one (remotely-monitored) computer and no access to the Internet for life (this provision was later struck off by a judge), 90 days' community service, and $15,000–$100,000,000 in restitution, as well as a 20-year suspended prison sentence, as directly reported by Kamkar himself on "Greatest Moments in Hacking History" by Vice Media's video website, Motherboard.