Trojan.Breonic

Discovered:
August 30, 2002
Updated:
February 13, 2007 11:40:12 AM
Also Known As:
Trojan.Breonic [AVP], Breonic.ow.606 [McAfee]
Type:
Trojan Horse
Systems Affected:
Windows 3.x, Windows 95, Windows 98, Windows Me

Trojan.Breonic is a Trojan horse. It copies Win.com to Runvxd.exe and then modifies the original Win.com file so that Windows no longer runs correctly.

Antivirus Protection Dates

  • Initial Rapid Release version August 30, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version August 30, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date September 4, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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