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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

MyDoom.HN

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:MyDoom.HN
Technical name:W32/MyDoom.HN.worm
Threat level:Medium
Alias:Trojan.Win32.DDoS-Agent.67072,Email-Worm.Win32.Mydoom.hw,
Type:Worm
Effects:  

It launches distributed denial of service attacks (DDoS) and damages the hard disk of the affected computer, leaving it useless. It spreads via email in messages about the 4th of July, the Independence Day of the United States.

Affected platforms:

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

First detected on:July 8, 2009
Detection updated on:July 16, 2009
StatisticsNo

Brief Description 

    

MyDoom.HN is a worm which is designed to launch distributed denial of service attacks (DDos) against websites from United States and South Korea.

Additionally, if the system date is later than 10th of July, it damages the hard disk of the affected computer, leaving it useless.

MyDoom.HN spreads via email in messages about the 4th of July, the Independence Day of the United States.

Visible Symptoms 

    

MyDoom.HN is easy to recognize, as it spreads via email in messages related to the Indepence Day. The message contains a file compressed with RAR as an attachment. This file contains a copy of the worm: