A code rummage reveals that the virus was, apparently supposed to be able to be sold illegally to the Burglar. The conditions for when this action becomes available are manifestly unclear and it is believed this feature may have been cut.
WARNING!!!! There have been problems with using this reward. Those viruses can cause the sudden "choking" death, in which a sim, after showing no signs of being ill, will suddenly grab their throat and die. For more information and discussion of choking death: http://forums.worldsims.org/showthread.php?t=4455&highlight=choking+death http://forums.worldsims.org/showthread.php?t=4854&page=2&pp=15&highlight=choking+death