In my view, the best way to ensure your fix hacked wordpress that is is through using a WordPress backup plugin. This is a relatively inexpensive, elegant and easy to use way to be certain your website is accessible to you.
There are ways to pull off this, and a lot involve copying and FTPing files, exporting and re-establishing more and databases. Some of them are very complicated, so it is imperative that you select the one that is best. Then you may want to look into using a plugin for WordPress backups, if you're not of the persuasion.
For me it's a WordPress plugin. They are drop dead simple to set up, have all the functions you need for a job like this, and are he said relatively cheap, especially when compared to having to employ someone to get this done for you.
You may extend the plugin features with premium plugins such as: Amazon S3 plugin, Members only plugin, DropShop etc.. I think this plugin is a good choice and you can use it.
These are. Set a blank Index.html file in your folders, run your web host security scan and backup your entire account.