Class Virus
Platform DOS

Technical Details

These are not dangerous memory resident parasitic viruses. They hook INT
21h, 28h and write themselves to the end of COM and EXE files that are
accessed. Some time after installation these viruses display the
white-red-white flag (old Belorussian flag) and beeps with PC speaker. On
old XT this beep sounds as a melody. The viruses contain the text string:

BGU 1992

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