thats a flippin virus
i think games from valve have the same virus error like this on mod on Steam called Coop Sven he has 2/72 detected so the SDK 2007 have 1/72 so that mean the Garry's mod is using the SDK thing and he make shortcut with some modified like +name of fps locked idk about this ver but 2.29Gb look like is real game i need to download to check the files if real or some picki virus and thank you LuisJG for share file with us :3