

"It manifests itself almost everywhere in the computer."

It's one of the most aggressive and nastiest I've ever seen," said Kieran Fitzsimmons of MessageLabs, which screens millions of company emails for viruses. Once embedded in a host computer, the virus can download more dangerous software from a remote website, rename files and redirect internet browsers. The text of the message reads: "Kindly check the attached love letter from me!" A click on the attached file launches the virus, which promptly spreads by sending itself to everyone in the recipient's email address book, overloading email systems.
