That sounds great, you are using your astral senses to feel the presence, and that’s where it starts.
Generally, that means those were parasites and you didn’t get who you thought. When this happens, banish and cleanse, and call the correct entity, and get the to verify who they are. Parasites often try to refuse to leave as well, so you may have to get heavy handed to get rid of them. Just know they only lie about everything, and if they threaten you it means nothing,