This weekend we have seen several spam messages sent in order to infect users with a new Trojan. It is being distributed as if it were an Internet Explorer 7.0 Beta update. This message is sent from a faked address,, and the subject is “Internet Explorer 7.0 Beta”. Once you open the message, you see the following picture:

If you click on the image, a file named update.exe will be downloaded, which is the Trojan itself (detected as Trj/Spammer.AAO).