May be BTW thanks for telling me that i will check the too
Why cant it be your wordpress theme or some plugin?
Why cant it be your wordpress theme or some plugin?
Most likely the OP using unlicensed theme with script code on functions.php thats all nothing special.
EDIT: And why you think that is your host provider? Its funny dont you think? Wordpress can be hacked in less than 5min. And If you are using unlicensed version of theme.. GL