Crockpot Barbecue Ribs

2 lbs pork ribs
1 cup ketchup
2 tablespoons brown sugar
2 tablespoons Worcestershire sauce
2 tablespoons apple cider vinegar
1 teaspoon garlic powder
1 teaspoon onion powder
1 teaspoon smoked paprika
1/2 teaspoon black pepper
2 tablespoons olive oil
Salt to taste

Instructions