There are spiritual influences that do not want you to win over lust and immorality and they are doing everything in their power to see that you stay in this addiction. Recognizing your real enemy is an effective key to winning your war against immorality. So let's rephrase the question. Yes and to varying degrees. You don't need to draw a pentagram on the floor to be demonized.
Pornography is a form of idolatry.
We worship it, we devote ourselves to it, we pay money to it, and we seek for it to meet our needs. Demons love to encourage idolatry and to torment the idolater.