The Virus is an antagonist in Jollibee's. It is a computer virus.
The icon of the Virus is a red pixel character with black eyes.
The Virus starts appearing on Night 3. A flashing icon will appear in the office signifying that it appeared. A message on the monitor tells you to find it before it breaks the ventilation. The Virus will appear on one of the cameras. Clicking on it will disable it. Failure to disable it in time will seal some of the ventilation, quickly suffocating you, ending the night. Sometimes, it only shuts a few vents and you can open them before you suffocate.
- The Virus is the only antagonist in Jollibee's that is not an animatronic.