The differences are described below. This worm will try to email itself automatically every 30 minutes to all email addresses listed in the Internet address book. It arrives via email from infected users. ExploreZip Symantec Corporation today announced that a virus definition set is immediately available to detect and repair the Worm. This virus is spread by e-mail and will close open programs and threaten users with multiple reboots.
Papa sends an e-mail out every time the virus is activated.
Melissa only sends the message the first time it is opened. This virus is spread through an email message containing an infected Word document as an attachment. This is a worm program that is sent through e-mail.