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Virus.DOS.Kuku/Kuku!

Kuku was a GDI worm malware specially designed for MS-DOS. Kuku worked by spreading to other system files and running Kuku when run, Causing it to spread more. Kuku would make a graphical effect of it constantly making random colored boxes with a random text color, reading “Kuku!”. This was a very dangerous worm back in 1980-1990.