One of my website infopixi.com is hacked by a A.N.T. What actions I need to take in order to get my website back?
Carefully follow https://codex.wordpress.org/FAQ_My_site_was_hacked
(FYI, it’s not a good idea to respond to work offers from random forum users who have read about your issues.)
Some of the plugins will also scan for malicious code and suggest which files are needed to replace & fix the hack. Look into the Wordfence plugin, I think that was one of them.