Yep, with or with-out a reward, but I think it is irrelevant becasue the reward is designed mostly for virus writers and to flip[ on each other or to entice friends and family of virus writers to turn them in rather than coax the general public to go on a virus hunting witch hunt. I hope it works.
Now if my older/younger brother came bragging to me about the wicked worm he unleashed on the world it would turn into one of those world famous ethical dilemas...hypothetically I would turn him on principle, but that money sure is tempting if I were to lack that particular principle.