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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Class.EX

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Class.EX
Technical name:W97M/Class.EX
Threat level:Low
Type:Virus
Effects:  It infects Word documents and displays messages on screen.

Affected platforms:

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

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

Brief Description 

    

Class.EX is a macro virus that infects Word files and the NORMAL.DOT global template used by this application.

In order to carry out its infection, Class.EX infects the NORMAL.DOT global template. By doing this, all the Word documents that use this template will also be infected (the new documents created will use this template by default).

The main effect of Class.EX is that it displays an insulting message in the affected computer on June, July, August, September, October, November and December 14.

Visible Symptoms 

    

Class.EX is easy to recognize as on June, July, August, September, October, November and December 14, it displays a message: A big stupid jerk!