The one in C proves that 'some' virii makers are skilled programmers with their own tricks and knowledge wich they pass on to fellow-soles (don't know if that word exists) on the web,like reversers do on this board.
If it's ethical or not is not for me to decide because a big percentage of the web is offending to someone,while not to someone else.

>>& this all 3 work is her product?
i guess yes