WordPress plugin hack beware WordPress Researcher (research_plugin)
There is a very clever WordPress hack that compromises your website using a plugin.
Once the site is hacked a plugin will be present called WordPress Researcher.
The folder in your ftp client or file set up located at /wp-content/plugins/ will be something along the lines of this:
And will contain a file called: research_plugin.php.
The plugin is a sophisticated hack and looks like a genuine plugin with details such as:
WordPress research tool.