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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Ozwer.A

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Ozwer.A
Technical name:W97M/Ozwer.A
Threat level:Low
Type:Virus
Effects:  It displays a message on screen. It prevents users from managing macros.

Affected platforms:

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

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

Brief Description 

    

Ozwer.A is a macro virus that infects Word files that use macros.

Ozwer.A has a large number of effects on the affected computer:

  • It disables certain Word options.
  • It moves the text in the infected Word files from right to left.
  • It exchanges certain options in the Word menu, so that when the user selects a certain option in the Tools menu, functions belonging to a different option appear.

The original infected document reaches the computer through various means: floppy disks, CD-ROMs, e-mail messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.

Visible Symptoms 

    

Ozwer.A is easy to recognize as it prevents access to several options in the Word menu.

  • For example, when the user of the infected computer access the Macros option in the Tools menu, it displays a form that contains all of the buttons disabled except Cancel. When the user clicks on a button the computer makes a beeping sound:


  • Similarly, if the user tries to access the Visual Basic Editor in the Tools menu, Ozwer.A shows an eror message on screen, which could appear in English or Spanish: