Avoid any website that offers a direct download link for T6SP.exe without requiring the base game. Stick to the official project hubs. Keep your antivirus active, but allow the exclusive file only if you downloaded it from the verified community source.
Using these exclusive .exe files usually requires you to own the game assets (the main and zone folders). You cannot download just a 5MB .exe and expect to play; you need the 16GB of game data. call of duty black ops 2 t6spexe download exclusive