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Published Oct 17, 2005 | Updated Sep 15, 2017

Worm:Win32/Mytob.FD@mm

Detected by Microsoft Defender Antivirus

Aliases: W32/Mytob.gen@MM (McAfee) W32/Mytob.HC (Norman) W32/Mytob.FD.worm (Panda) Net-Worm.Win32.Mytob.bi (Kaspersky) Win32/Mytob.40448!Worm (CA) Win32.Mytob.EQ (CA) Net-Worm.Win32.Mytob.bi (F-secure) W32/Mytob-EP (Sophos) W32.Mytob.EE@mm (Symantec) WORM_MYTOB.EP (Trend Micro)

Summary

Worm:Win32/Mytob.FD@mm is a mass-mailing worm that targets computers running certain versions of Windows. The worm spreads by sending a copy of itself as an attachment to e-mail addresses found on the computer.  The worm has a backdoor component that connects to an IRC server from an infected computer to receive commands from attackers.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
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