Websites and applications that promote spam behavior can cause significan't overuse of resources on your hosting account.
Here are some common causes of spam behavior on a Website or application:
You can try to correct any spam issues by following any and all of these steps:
If you are still experiencing issues with resource usage, review your hosting for other possible causes at Common causes for resource overusage (Linux).
You will want to make sure that you are correcting the underlying cause to any resource issue. Simply removing Websites and/or files without correcting the underlying issue can cause the problem to recur.