Threat Scan Plugin runs a simple threat scan into your WordPress site checking for the things out of place in your website’s content directory as well as in your database.
The plugin searches PHP files for the occurrence of the eval() function, eval() function is an important part of PHP and can be also the door for that hackers. This eval() function is generally avoided by many PHP programmers unless they really need it. The function can sometimes be used for hiding malicious code or to inject future threats into infected systems. Hence it becomes important to delete the plugin and these containing this function. Not only this much the plugin does many other important things, continue reading about this plugin on its WordPress.org page.
Installation & Usage: Simply install and activate it. After activation visit your admin area Dashboard -> Settings -> Threat Scan, it automatically starts scanning your whole website and shows you the results.