If you receive an e-mail offering a download of Internet Explorer 7 Beta 2, delete it. A new virus is making the rounds that comes disguised as a test version of Microsoft’s current Web browser.

It always pays to be suspicious when unsolicited e-mails arrive, and on Friday new evidence underscored the point: A malicious e-mail purportedly from Microsoft actually serves up a worm dubbed "Grum.

If you receive an e-mail offering a download of Internet Explorer 7 Beta 2, delete it. A new virus is making the rounds that comes disguised as a test version of Microsoft current Web browser.

Spammers are trying to trick users into opening a fake invitation to download Internet Explorer 7, which will instead infect the victim's machine with malware. That warning comes from antivirus firm ...