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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Koobface.BJ

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Koobface.BJ
Technical name:W32/Koobface.BJ.worm
Threat level:Medium
Alias:Boface.BJ,
Type:Worm
Effects:  

Its main aim is to spread itself via the social network Facebook and affect as many computers as possible. It downloads and installs in the computer fake antivirus programs that warn users of unexisting threats.

Affected platforms:

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

First detected on:May 12, 2009
Detection updated on:July 9, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Koobface.BJ is a worm whose main aim is to spread itself via the social network Facebook and affect as many computers as possible.

Additionally, it downloads and installs in the computer fake antivirus programs that warn users of unexisting threats, so that they pay for a certain security solution.

Visible Symptoms 

    

Koobface.BJ is easy to recognize, as it reaches the computer via the social network Facebook:

  • The user receives a message which contains a link like the following:

  • If the link is followed, users are redirected to a website that imitates YouTube's (but is actually called YuoTube), where a video can be viewed.
  • However, in order to view the video, an Adobe Flash Player update is required:

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