subject: The top 10 worst PC viruses of all time [print this page] The Storm Worm a Trojan horse from 2006 was named this because email messages carrying the virus had a subject line "230 dead as storm batters Europe." The virus allowed hackers to take over computers and send spam. The virus spread through the downloading of fake links to news stories and videos with the subject line changing to reflect current topical news events. This virus has said to have been detected on more than 200 million emails.
