Antivirus bomb

The AntiVirus Bomb is an item that can only be obtained in Resident Evil 2's Extreme Battle game. They are needed to remove a virus detected in the underground train near Birkin's labs. There are 4 in total, which can be found scattered throughout the Raccoon City Police Department Headquarters, usually in areas which are important to the events of the cannon story

Video
http://www.youtube.com/watch?v=rlgF_oWYzJI&list=FLdsdI9L61HXFmQiHy-dBexg&index=7