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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Cybernet

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Cybernet
Technical name:O97M/Cybernet.A
Threat level:Low
Alias:O97M/Cybernet.A-mm
Type:Virus
Effects:  It infects Word documents and Excel spreadsheets
Affected platforms:

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

Detection updated on:Nov. 13, 2002
StatisticsNo
Country of origin:INDONESIA
Family:VALENTIN

Brief Description 

    

Cybernet is a macro virus that infects Word documents (files  with a DOC extension) and Excel spreadsheet (files with an XLS extension).

Once it has carried out its infection, Cybernet modifies the AUTOEXEC.BAT file. By doing this, the virus formats the user’s hard disk so that the next time the computer is started, it won’t run.

Cybernet spreads via rapidly via e-mail by sending itself out to all the contacts in the Address Book in the affected computer.

Visible Symptoms 

    

Cybernet is easy to recognize when it spreads via e-mail, as it reaches computers in a message with the following characteristics:

  • Subject:
    You've GOT Mail !!!
  • Text:
    Please, saved the document after you read and don't show to anyone else. The document is also VIRUS FREE...so DISREGARD the virus protection warning !!!
  • Attachments: A Word document (a file with a DOC extension) or an Excel spreadsheet (a file with XLS extension).

An indication that Cybernet has infected the computer is if the system date is August 17 or December 25, the virus inserts geometrical figures with no standard shape, size or colour in the document: