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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Mydoom.AM

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Mydoom.AM
Technical name:W32/Mydoom.AM.worm
Threat level:Low
Type:Worm
Effects:  

It ends processes belonging to several antivirus programs, firewalls and worms. It spreads via e-mail and through P2P programs.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Feb. 14, 2005
Detection updated on:Feb. 14, 2005
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Mydoom.AM is a worm that ends processes belonging to certain security tools, such as several antivirus programs and firewalls. This leaves the affected computer vulnerable to the attack of other malware.

Mydoom.AM also ends processes belonging to other worms, such as Netsky, Bagle, Sobig and Blaster.

This worm also modifies the HOSTS file, in order to prevent access to the websites of several antivirus companies.

Mydoom.AM spreads via e-mail, in a message with variable characteristics, and through the peer-to-peer (P2P) file sharing programs KaZaA, Morpheus, eDonkey2000, iMesh and LimeWare.

Visible Symptoms 

    

Mydoom.AM is easy to recognize once it has affected the computer, as it opens Notepad and displays a random text.