Synth Virus

 is a special synth appearing in Fallout 4.

Background
This special synth has been coded by the Institute Robotics and Advanced Systems division as a weapon to use against the Brotherhood of Steel and the Prydwen. Using Madison Li's notes on Liberty Prime's energy system, the Institute devised a virus that would allow them to seize control of the robot's systems and use them to bring down the Brotherhood's flying fortress. The carrier synth is a repurposed first generation unit, designed to be expendable and cheap to manufacture, should it be taken out by the Brotherhood defenders in the midst of the confusion. All it has to do is get up the gantry, interface with Prime, and upload the virus.

Quests

 * Airship Down: The synth is the focal point of the quest.

Appearances
appears only in Fallout 4.