Cloning, as it applies to fix hacked wordpress database, is the act of making an exact copy of your WordPress install. What is good is that you can do it. There are a number of reasons why you may want to do this. Here are only a few.
A simple way would be to use a few tools. First of all, don't allow people run a web host security scan, to list informative post the files in your folders and automatically backup your web hosting account.
Is to delete the default administrator account. This is important because if you do not do it, a user name that they could attempt to crack is already known by malicious user.
Make a note of your new password for the next time you sign in! I suggest the paid or free version of the software that is protected *Roboform* to remember your passwords.
Change your password, or at least your WordPress password and admin username and collect and utilize fantastic WordPress security tips to keep hackers out!