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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Onex.G

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Onex.G
Technical name:W97M/Onex.G
Threat level:Low
Type:Virus
Effects:  It infects Word documents, deletes the files in the temp directory, lowers the security level and displays messages on screen.

Affected platforms:

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

First detected on:Aug. 6, 2002
Detection updated on:Aug. 6, 2002
StatisticsNo

Brief Description 

    

Onex.G is a macro virus that infects Word documents. In addition, it lowers the security level on the affected computer, it changes some Word options and, occasionally, it deletes the files in the Temp directory and displays a message on screen.

Onex.G reaches computers through the usual means used by viruses: CD-ROMS, floppy disks, e-mail messages, Internet downloads, etc.

Visible Symptoms 

    

Sometimes Onex.G is easy to identify, as it displays the following message on screen:

  • Windows has just deleted any unwanted files to create freespace.

Before this message is displayed, the process below has to be completed:

  1. The user of the affected computer opens an infected file.
  2. The virus tries to infect this document, but does not do so, as it checks that both the document and Word’s global template are already infected.
  3. Onex.G generates a number chosen at random from 0 to 5.
  4. The chosen number must be 2.