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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Bagle.V

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

It creates a backdoor that opens TCP port 4751, and notifies its author that the computer can be accessed through it. It stops functioning after January 1, 2005.

Affected platforms:

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

Detection updated on:April 15, 2004
StatisticsNo

Brief Description 

    

Bagle.V is a worm that spreads via e-mail in a message with no subject and no body, and an attached file with a variable file name, but which always has an EXE extension.

Bagle.V contains a backdoor, which opens the TCP port 4751. It attempts to connect to a web page that hosts a PHP script. By doing this, Bagle.V notifies its author that the affected computer can be accessed through the port mentioned above.

This worm only runs if the system date is January 1, 2005 or previous. After this date, Bagle.V stops functioning.

Visible Symptoms 

    

Bagle.V is easy to recognize when it reaches the computer, as the attached file has the following icon: