Please find our analysis result below.
In order to make your website functional again you need to change file permissions at least to 604 after cleaning up.

The following files have been likely uploaded by others.
Please check these files and delete them if neccessary.
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentytwo/index-firewall.php
~/clickandbuilds/WordPress/MyCMS2/new/wp-content/plugins/redux-framework/redux-core/assets/scss/vendor/elusive-icons/elusive-icons/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/redux-framework/redux-core/assets/css/css/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/listingpro/single-events-ajax-response.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/listingpro/listingpro/listingpro/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/include/templates/editors/popups/popups/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/listingpro/template-favourites-string.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/index-queue-reference.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentyfive/parts/parts/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/redux-framework/redux-templates/src/plugins/sidebar-share/sidebar-share/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentynineteen/image-all.php
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~/clickandbuilds/WordPress/MyCMS2/new/wp-content/plugins/blog2social/includes/B2S/Metrics/Metrics/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentyone/assets/sass/05-blocks/latest-comments/latest-comments/index.php
~/clickandbuilds/WordPress/MyCMS2/new/wp-content/plugins/blog2social/assets/images/settings/settings/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/assets/lib/vc_chart/vc_chart/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/really-simple-ssl/class-certificate-soap.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwenty/searchform-part.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentyone/assets/sass/05-blocks/search/search/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/uploads/2022/06/06/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/really-simple-ssl/class-mixed-content-fixer-soap.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/assets/css/css/index.php
~/clickandbuilds/WordPress/MyCMS2/new/wp-content/plugins/redux-framework/redux-core/assets/scss/colors/classic/classic/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentyfive/assets/fonts/fira-code/fira-code/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentynineteen/sass/navigation/navigation/navigation/navigation/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/assets/vc/3rd-party/3rd-party/index.php
~/clickandbuilds/WordPress/MyCMS2/new/wp-content/plugins/redux-framework/redux-core/assets/js/js/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/twentytwentyfive/assets/assets/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/redux-framework/redux-templates/classes/classes/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/themes/listingpro/footer-statement.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/assets/lib/bower/lessjs/lessjs/index.php
~/clickandbuilds/WordPress/MyCMS-backup/wp-content/plugins/js_composer/assets/css/lib/typicons/typicons/index.php