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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Mytob.G

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

It is a worm with backdoor characteristics belonging to the Mytob family. This group of worms usually connect to an IRC server in order to receive remote control commands.

Affected platforms:

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

First detected on:March 25, 2005
Detection updated on:Jan. 30, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Mytob.G is a worm with backdoor characteristics belonging to the Mytob family. Worms belonging to this family have the following common characteristics:

  • They connect to an IRC server in order to receive remote control commands, such as delete, download and run files.
  • Some variants prevent users from accessing certain web pages, mainly belonging to antivirus and security companies.
  • They spread via email, across the Internet by exploiting the LSASS vulnerability and across network shared resources that are protected using weak passwords.

 

If you have a Windows XP/2000 computer, it is highly recommendable to download the security patch for the LSASS vulnerability from the Microsoft website.

Visible Symptoms 

    

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