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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

W97M/Marker.Q

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

It changes the properties of Word documents and prevents users form workimg with macros.

Affected platforms:

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

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

Brief Description 

    

Marker.Q is a macro virus that infects Word's 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.Q uses stealth techniques, such as disabling the dialog box that prompts the user to enable or disable the macros that the document contains. By doing so, Marker.Q prevents the user from disabling the macros used by the virus to carry out its infections.

Marker.Q changes some properties of the documents it infects such as title, author or keywords, in one out of three infections.

Visible Symptoms 

    

Marker.Q is difficult to recognize, as it does not display any messages or warnings that indicate it has reached a computer.

However, a clear indication that Marker.Q has infected those documents containing macros, is that the warning messages that allow Word documents to be opened without enabling their macros, are disabled.