F-Secure is upgrading the Fizzer worm to Level 1 as this complex e-mail/p2p worm continues to spread rapidly. Currently it's one of the most widespread viruses in the world.
Fizzer is a complex e-mail worm that appeared on the 8th of May, 2003. The worm can spread itself in e-mails and in Kazaa P2P (peer-to-peer) file sharing network. Fizzer worm has a built-in IRC backdoor, a DoS (Denial of Service) attack tool, a data stealing trojan (uses external keylogger DLL), an HTTP server and some more components. The worm has the functionality to kill tasks of certain anti-virus programs. Additionally the worm has autoupdating capabilities.
Fizzer worm spreads in e-mails as an attachment with .EXE, .PIF, .SCR and .COM extensions. Attachment names, subjects and bodies are randomly selected by the worm from its internal lists. E-mail addresses are collected by the worm from Windows and Outlook Address Books on an infected computer and also from different files on a hard disk.
Fizzer is a complex e-mail worm that appeared on the 8th of May, 2003. The worm can spread itself in e-mails and in Kazaa P2P (peer-to-peer) file sharing network. Fizzer worm has a built-in IRC backdoor, a DoS (Denial of Service) attack tool, a data stealing trojan (uses external keylogger DLL), an HTTP server and some more components. The worm has the functionality to kill tasks of certain anti-virus programs. Additionally the worm has autoupdating capabilities.
Fizzer worm spreads in e-mails as an attachment with .EXE, .PIF, .SCR and .COM extensions. Attachment names, subjects and bodies are randomly selected by the worm from its internal lists. E-mail addresses are collected by the worm from Windows and Outlook Address Books on an infected computer and also from different files on a hard disk.