Published Jun 06, 2006 | Updated Sep 15, 2017


High |Detected with Windows Defender Antivirus

Aliases: No associated aliases


Windows Defender Antivirus detects and removes this threat.
Win32/Fizzer is a mass-mailing worm. Various aspects of its behavior are configurable by an attacker. The worm sends a copy of itself as an email attachment to addresses that it finds on the infected computer. The worm may also spread through peer-to-peer file sharing.
Win32/Fizzer may perform numerous malicious actions on the infected computer, such as terminating antivirus processes, logging keystrokes, exchanging data through various ports, opening a proxy server, and opening an HTTP server or connecting to an IRC server to provide backdoor access.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

Follow us