If God is the Creator of all things and evil is a thing, then God is the Creator of evil and He is to be blamed for its existence. No, evil is not a thing but a wrong choice, or the damage done by a wrong choice. Evil is no more a positive thing than blindness is, but it is just as real.
Peter KreeftA God who did not abolish suffering-worse , a God who abolished sin precisely by suffering-is a scandal to the modern mind.
Peter Kreeft