another common way email users are manipulated into opening attachments that contain viruses is with messages that appear to come from businesses that people frequently use. These typically include auction sites,delivery services,and financial institution. One such virus is "UPS/FedEx Delivery Failure." This email comes with a message informing the user that a package he or she had supposedly sent could not be delivered. Users are told to click on the attachment for a refund. In reality, of course,the attachment unleashed a virus.