japanese keyword hack

Hello, I saw a lot of threads for the japanese keyword hack and I tried to follow them but with no success. I will summarize my issue I am facing now. So we found that one of our wordpress websites was infected with the japanese keyword hack - 7000 indexed urls with gibberish japanese writing...

Hey all, I recently had a string of 11 sites get hit with the japanese keyword hack (still trying to figure out the damn vulnerability that was exploited). I've searched and searched and hostwinds, even though the server they're on is a managed dedicated, i've been with them for over 7 years...