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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Marker.BO

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Marker.BO
Technical name:W97M/Marker.BO
Threat level:Low
Type:Virus
Effects:  

It modifies Word's global template and deletes files with a DOC or DOT extension.

Affected platforms:

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

Detection updated on:Nov. 13, 2002
StatisticsNo
Family:MARKER

Brief Description 

    

Marker.BO is a macro virus that infects Word global template (NORMAL.DOT file) and all the documents generated with it. By doing so, it will infect all the documents that the user opens, closes, saves, etc.

In addition, Marker.BO deletes the Word documents with a DOC or DOT extension and changes the user information of the docuemnts generated with Word.

It checks the system datef and if it is Sunday, Marker.BO creates the file JON.HTML in the Windows Startup directory.

Visible Symptoms 

    

Marker.BO is very easy to recognize once it has infected the computer, as it replaces the Windows Desktop with a poetry titled A poet for my dear love.