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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Mytob.EB

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Mytob.EB
Technical name:W32/Mytob.EB.worm
Threat level:Low
Alias:Net-Worm.Win32.Mytob.bd
Type:Worm
Effects:  

It opens the port 4512 in order to connect to an IRC server and receive remote control commands, ends several processes and prevents users from accessing several websites. It spreads via email in a message with variable characteristics.

Affected platforms:

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

First detected on:June 2, 2005
Detection updated on:March 6, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Mytob.EB is a worm with backdoor characteristics that opens a TCP port in order to connect to an IRC server and receive control commands, which allow the affected computer to be remotely administrated.

This worm ends processes belonging to several security tools, such as antivirus programs and firewalls, among others. It also ends processes belonging to other malware.

Aditionally, it prevents users from accessing certain web pages, mostly belonging to antivirus companies.

Mytob.EB spreads via email, in a message with variable characteristics.

Click on the picture below to see a full-size diagram of the characteristics of Mytob.EB and how to protect your computer against them.

Click on the picture to view a full-size diagram

Visible Symptoms 

    

Mytob.EB is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.