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hi, I'm trying to figure out why I keep getting a ton of these .mx files inserted as copies of all the .php files on the sub-domain I am working on. The files look like this: .mx.99063925.mx though with different numbers for each file,.. and when you open one of these files, its content is identical to one of the .php files I have in the same directory. These .mx files are not generated for any other extension except for .php and each of the .mx file sizes matches the same .php file. They are basically clones of all the .php files. I cleaned them out of every folder and a day later they all reappeared. That happened three times now. This file type is commonly associated with email files, but these are not email files and have nothing to do with that. They are also not desktop files as detailed in this article. https://www.reviversoft.com/file-extensions/mx I called my hosting company several times and they have no idea of what it is. The only thing I was told, was that their higher tier tech support came across this problem once before with a WordPress site and after running a shell script to clean all the .mx files, the issue never came back. They are now trying to figure it out and doing a full site scan. I thought it might be a hack, but this is unlikely. I've done a number of scans for viruses & malware and they all came back clean. I have nothing in my error log and no noticeable issue browsing the site. There is also nothing in the console via Chrome Developer Tools. The .mx files just add clutter to the directory structure and nearly double the size of the osC software. I searched everywhere on this issue (including osC forums) and could not find anything of value. I'm just wondering if anyone has come across this issue before and how it was resolved? Here is an image of FileZilla showing these .mx files.