Ninjamailer.php < PC >

: Change passwords for your CMS, FTP, and hosting control panel immediately.

: Check your server logs to see when the file was uploaded and from what IP address. ninjamailer.php

It is important to distinguish this script from legitimate WordPress plugins that use similar names: : Change passwords for your CMS, FTP, and

: Use a security scanner like Wordfence or Sucuri to check for other compromised files or backdoors. : Change passwords for your CMS

: Move it to a secure location outside your public directory for analysis, or delete it if you are certain it is unauthorized.