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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Matrob.a

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Matrob.a
Technical name:Trj/Matrob.A
Threat level:Medium
Type:Trojan
Effects:  

It carries out several modifications in the Windows Registry, which prevent the computer from working properly. It disables several functions of the Start menu, such as Search or Run, and applications such as the Task Manager and hides the clock from the Notification area, among other actions. It does not spread automatically by its own means.

Affected platforms:

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

First detected on:April 14, 2008
Detection updated on:April 16, 2008
StatisticsNo

Brief Description 

    

Matrob.a is a worm that carries out several modifications in the Windows Registry, which prevent the user from working with the computer as usual.

These modifications prevent the user from carrying out the following actions, among others:

  • Doing searches and running files in a fast and straight way, as it disables the options Search and Run from the Start menu.
  • Viewing the processes that are being run through the Task Manager.
  • Modifying the configuration of the features of the Windows Explorer folders.
  • Turning off the computer, as it disables this option of the Start menu.

Matrob.a does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.

Visible Symptoms 

    

Matrob.a is easy to recognize, as when it is run, the following image is displayed: