Wordpress automatically installed on droplet without permission; can't remove files.
Somehow WordPress was automatically installed on one of my client’s droplets (or at least the files – I don’t see a WP database) on-top of an existing website (not wordpress). I was able to delete/move most of the files, however there are 2 files and 1 folder which I cannot remove or overwrite even as root. When I try, they are immediately restored. I also cannot change permissions on the affected files, which currently have only read access.
There also seem to be files in the ‘wp-admin’ folder that are also regenerated (perhaps on any web request; not sure). Looking at the contents of the 'index.php’ file, I also notice a long string of hex code. I don’t know if that is normal for workpress or not. If not, it could be an indication that the system has been hacked.
The server was scheduled for a migration, which according to the history was completed 16 hours ago. I do not know if this is related.
I have no idea how this is possible. Would this be a result of the DigitalOcean “migrate”? Or perhaps a hacker? What would cause files to be locked/auto-restored like that?
Any ideas would be much appreciated. Thank you.
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