1. Symantec/
  2. Security Response/
  3. O97M.Cybernet.Gen


Risk Level 1: Very Low

May 25, 2000
February 13, 2007 11:53:02 AM
Also Known As:
CyberNet, W97M/Pri, O97M.CyberNet.A
Virus, Macro

O97M.Cybernet.Gen is a polymorphic macro virus that infects Microsoft Word and Excel files. It also has a mass-mailing payload similar to W97M.Melissa.A. On August 17 or December 25, a malicious payload is triggered. Due to a bug in the code, under some circumstances this virus may attach uninfected files to the email messages it sends.

NOTE: The detection for this virus is a generic detection. It is possible that in some variants, some functionality, such as the trigger dates for the payload, will be changed or removed.

Virus definitions dated July 5, 2001, or earlier detect this virus as O97M.CyberNet.A

Antivirus Protection Dates

  • Initial Rapid Release version May 25, 2000
  • Latest Rapid Release version November 8, 2017 revision 034
  • Initial Daily Certified version May 25, 2000
  • Latest Daily Certified version November 8, 2017 revision 040
  • Initial Weekly Certified release date pending
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Raul Elnitiarta

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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