A group of primitive viruses, which include a text message saying they are written by a person calling himself Cracker Jack, in Milan, Italy.
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When this 451 byte variant activates it will overwrite the beginning of the hard disk - generally resulting in the destruction of the FAT and root directory of drive C:
A smaller, 265 byte variant which does nothing but replicate.
Variant:Crackpot-208, New BadGuy, BillMe
Other variants, not particularly interesting.
Variant:Sabrina, Naziskin, Naziskin 2
Non-working attempts to write a virus, based on other members of this family.
All the variants can only be removed by deleting infected programs, but as they are very primitive they are not expected to become a problem.