It is very shocking when your site gets hacked. I had very bad experience like you. I am very sorry for you. When my website get hacked i have scanned my website using (paid for services)* and i got to know the site is get hacked. later i tried to download the files and clean it but i could not able to do it by myself. later i took ----* professionals help. They have fixed my site in a day. Now they are monitoring and maintaining my website , using ....* website protection tool. It is Awesome experience with them.