There is a web site that acts as an anti virus for bills - www.billguard.com. You can register up to 3 credit/debit cards (register more than 3 for a fee). This web site reviews the transactions billed to the registered cards and does the following:
Monitors transactions for deceptive, fraudulent, and suspicious purchases on the registered cards.
Monitors for unwanted charges like for subscriptions, hidden fees, billing errors, and scams.