Prevx Research Lab reports about Storm worm outbreak. Yesterday was spotted more than 700 variants of the Storm worm, repacked every few minutes from the server using a polymorphic-like technique to evade from antivirus software. The worm is spreading via email attachment happy2008.exe Also there is a version spreading via malicious web site called uhavepostcard.com. If user click the link on the page it will download happy2008.exe User caution is advised. Don’t run open spam emails or visit malicious websites such as uhavepostcard.com.