Hacked Client website, not sure what to do

Hello BHW

so one of my clients websites which is wordpress got hacked, the hosting company provided me with a list of files that are infected so basically what i did was remove them all and now the website doesn't work at all, looking closely to the infected files i found that some of the files are essential for wordpress to function such as wp-settings.php so removing the infected files is not an option.

i tried downloading the files on my computer and then scanning them with Avast AV…

Hacked Client website, not sure what to do