Error Log in WordPress Filled with Defender Problems

My WordPress error log is full of entries like this (the first one is something else I think) but the rest are Defender (there are thousands of lines) IMPORTANT NOTE: Hummingbird is NOT installed.

[22-Aug-2015 02:52:09 UTC] PHP Fatal error: Call to undefined function getblog_info() in /home/franks12/public_html/FranksDesigns/wp-content/plugins/worker/functions.php(1277) : eval()'d code on line 1
[08-Jul-2016 10:37:15 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/disable-emojis/disable-emojis.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 10:42:10 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/gravityforms/recaptchalib.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 10:45:08 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/really-simple-captcha/really-simple-captcha.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 10:45:08 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/really-simple-captcha/tmp/index.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 10:47:10 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wordpress-seo/admin/notification-conditions/interface-yoast-notification-condition.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-fail2ban-logging/wp-fail2ban-logging.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/uninstall.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/wp-hummingbird.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/abstract-class-admin-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-admin-ajax.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
[08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-admin.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187

    Adam Czajczyk

    Hello Frank,

    I hope you're well today and thank you for your question!

    It looks like the Defender's scan module wasn't able to access these files. The warning says "no such file or directory" but it's possible that the strict file permissions are causing this.

    Could you please check (you can see some random files of those listed in the error log) what file permissions are currently set?

    Let me also know please if there are any additional security plugins and/or server-side tools installed and if so, what are they.

    Best regards,
    Adam

    frank_gomez

    None of these files exist. Old Plugins (Hummingbird by itself has about 2000 entries)

    directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/uninstall.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/wp-hummingbird.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/abstract-class-admin-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-admin-ajax.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-admin.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-caching-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-dashboard-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-gzip-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-minification-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187
    [08-Jul-2016 11:00:09 UTC] PHP Warning: md5_file(/home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-hummingbird/admin/class-performance-page.php): failed to open stream: No such file or directory in /home/franks12/public_html/FranksDesigns/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 187

    frank_gomez

    This is still happening even with most recent version of Defender, Example This AM on EdwardKennedyMason.com
    [02-Oct-2016 12:08:22 UTC] PHP Warning: md5_file(/home/ekmrick/public_html/wp-content/plugins/wordpress-seo/admin/class-pointers.php): failed to open stream: No such file or directory in /home/ekmrick/public_html/wp-content/plugins/wp-defender/app/module/scan-module/component/class-wd-suspicious-scan.php on line 188

    Dimitris

    Hey there frank_gomez,

    I trust you're doing good today and don't mind me chiming in!

    Have you tried to clear all of your caches (via plugins, any server side mechanisms, 3rd party services like CloudFlare) and test if this continues?

    Also a theme/plugin compatibility test could exclude any possible conflicts. Feel free to proceed with this test as described in a flow chart here https://premium.wpmudev.org/manuals/using-wpmu-dev/getting-support/ by manually scanning your site and checking the error log.

    I look forward for your results on this!
    Warm regards,
    Dimitris