Category: Viruses and Spyware Protection available since:23 May 2000 00:00:00 (GMT)
Type: Macintosh file virus Last Updated:23 May 2000 00:00:00 (GMT)
Prevalence: No Reports

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The System file is infected as soon as an infected application is run. On an infected Macintosh applications can become infected even without being run. Finder will also be infected. The version Mac/MDEF-D damages the application files it infects.

This virus was first reported in May 90.