Spray an 8 x 8 or 9 x 9 baking dish with nonstick spray.
In a bowl combine graham cracker crumbs, 1/2 cup sugar and melted butter together.
Firmly press into the bottom of your baking dish and set aside.
Pour the bag of mango into a blender or food processor and roughly puree it. You still want a few small chunks of mango in it.
Take the cream cheese and whip it in your mixer on high for 1 to 2 minutes
Add pureed mango, Greek yogurt, and confectioners sugar and mix until fully blended.
Add the cool whip until and mix for about a minute.
Pour the mixture over the graham cracker crust and smooth out.
Cover with plastic wrap and put in your freezer for at least 4 hours.
Remove and let sit on the counter 20 minutes and cut into bars.