Phantom Virus

The Phantom Virus was the creation of Bill McLemore to try and sabotage a fellow college student's project to win a large amount of money.

Physical appearance
A glowing form of electrical energy with a seamingly artificial intelligence; mainly blue in color and only clothed for disguise.

Personality
The Phantom Virus has an obsession with baseball mirrored by its creator which were the gang's main clues as to who the culprit was. It had the ability to extract data from various electrical devices, as well as control machines and cables. The Virus was however, weak in close proximity to magnets causing agonizing deformation or even the inability to move.

Powers and Abilities
The Phantom Virus has the ability to steal the network and data from every computer in the world. Another fierce abitlity, he can shoot, well, there's no other aspect, but lightning. In the final level in the movie, he created a giant source of balls flying around all over the place like a tornado.

History
A laser for transferring material items into the virtual world was also used to extract the Phantom Virus to into the real world of the college campus. There it would wreak havoc and prevent Eric form winning the prize which Bill thought he deserved due to being a longer standing student. Once the gang are accidentally transferred into the game by accident, they compete with the virus who is the "boss" of various monsters in different locations within the game. to defeat the virus,

the gang must find the Scooby Snacks box in each level and progress to the end. the virus has minions in the games such as the two Moon Ghosts, three skeleton gladiators with a lion, a T-Rex, a camel, a dragon, a polar bear, and the five monsters from the past. (Scooby-Doo and the Cyber Chase)

There were several suspects as to who created the virus - including Professor Kaufman and Officer Wembley.