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September 07, 2003 at 08:00 PM
Following are some of the most frequently observed viruses for the month of July, as reported by antivirus software maker Central Command of Medina, Ohio.
Worm/Klez.E. This is the number one worm of all time in terms of proliferation, the company says. It forges the “From:” address of the sender and can be executed by simply viewing the e-mail within the preview pane of Microsoft Outlook.
Worm/Sobig.E. In addition to having mass mailing capabilities, this worm can communicate user-sensitive information back to the author of the worm once the machine has been infected. In order to avoid corporate detection at the e-mail gateway, it arrives as a ZIP file.
Worm/BugBear.B is described as a “highly vicious Internet worm.” Once executed, it installs a keylogging software program and a means to receive instructions from the virus creator. It can disable antivirus and personal firewall applications.
Worm/Sobig.A was the first version of five (so far) Sobig worms. It arrives in a users inbox as coming from [email protected].
Worm/Sobig.C. Instead of [email protected], this worm arrives as coming from Bill Gates ([email protected]). It also has the ability to appear as if it has been sent by a family member or friend.
