Security scans are flagging connector.minimal.php on my Wordpress sites. What is this file?

Symptoms

If you have performed a security scan on your machine you may be notified about the presence of the connector.minimal.php file on one, or several accounts on your system.

Description 

This file is part of the Wordpress File Manager plugin, and is located at the following path:

/home/username/public_html/wp/wp-content/plugins/wp-file-manager/lib/php/connector.minimal.php

This file has been compromised as part of a recent Wordpress exploit that you can read more about here:

connector.minimal.php exploit

Workaround

You will want to examine the code of that file to determine if you have been compromised or if this is a false-positive detected by your security tool.