file scan

Dear madame, dear Sir,
last week I installed miniOranges 2FA using Google Authenticator. Scanning today I got following report:
(I installed,deleted and installed 2FA )
Can the following notifications be explained – normal or problematic?

Best Regards

Scan report: 2FA/miniOrange

-Modified plugin files: 17
The following files do not match the original plugin files and may have been tampered with. If they are damaged or corrupted, you can easily repair them by selecting a file and clicking on the “Restore file” button:

./wp-content/plugins/miniorange-2-factor-authentication/database/database_functions.php
./wp-content/plugins/miniorange-2-factor-authentication/includes/css/bootstrap.min.css
./wp-content/plugins/miniorange-2-factor-authentication/includes/css/style_settings.css
./wp-content/plugins/miniorange-2-factor-authentication/views/configure_authy_authenticator
./wp-content/plugins/miniorange-2-factor-authentication/views/configure_google_authenticator
./wp-content/plugins/miniorange-2-factor-authentication/views/configure_kba_questions
./wp-content/plugins/miniorange-2-factor-authentication/views/configure_miniorange_authenticator
./wp-content/plugins/miniorange-2-factor-authentication/views/configure_otp_over_sms
./wp-content/plugins/miniorange-2-factor-authentication/views/customer_registration.php
./wp-content/plugins/miniorange-2-factor-authentication/views/feedback_form.php
./wp-content/plugins/miniorange-2-factor-authentication/views/test_email_verification
./wp-content/plugins/miniorange-2-factor-authentication/views/test_google_authy_authenticator
./wp-content/plugins/miniorange-2-factor-authentication/views/test_kba_security_questions
./wp-content/plugins/miniorange-2-factor-authentication/views/test_miniorange_push_notification
./wp-content/plugins/miniorange-2-factor-authentication/views/test_miniorange_qr_code_authentication
./wp-content/plugins/miniorange-2-factor-authentication/views/test_miniorange_soft_token
./wp-content/plugins/miniorange-2-factor-authentication/views/test_otp_over_sms

-Additional/suspicious files: (30)
The following files are not part of any plugin package and may have been uploaded by someone else:

./wp-content/plugins/miniorange-2-factor-authentication/includes/css/bootstrap-tour-standalone.css
./wp-content/plugins/miniorange-2-factor-authentication/includes/guides/Guide for Premium Plugin.pdf
./wp-content/plugins/miniorange-2-factor-authentication/includes/guides/Guide for Standard plugin.pdf
./wp-content/plugins/miniorange-2-factor-authentication/includes/js/bootstrap-tour-standalone.min.js
./wp-content/plugins/miniorange-2-factor-authentication/views/test_2fa_notification.php
./wp-content/plugins/miniorange-2-factor-authentication/class-customer-setup.php
./wp-content/plugins/miniorange-2-factor-authentication/class-miniorange-2-factor-login.php
./wp-content/plugins/miniorange-2-factor-authentication/class-miniorange-2-factor-pass2fa-login.php
./wp-content/plugins/miniorange-2-factor-authentication/class-miniorange-2-factor-user-registration.php
./wp-content/plugins/miniorange-2-factor-authentication/class-mo2f-constants.php
./wp-content/plugins/miniorange-2-factor-authentication/class-rba-attributes.php
./wp-content/plugins/miniorange-2-factor-authentication/class-two-factor-setup.php
./wp-content/plugins/miniorange-2-factor-authentication/class-utility.php
./wp-content/plugins/miniorange-2-factor-authentication/miniorange_2_factor_common_login.php
./wp-content/plugins/miniorange-2-factor-authentication/miniorange_2_factor_configuration.php
./wp-content/plugins/miniorange-2-factor-authentication/miniorange_2_factor_mobile_configuration.php
./wp-content/plugins/miniorange-2-factor-authentication/miniorange_2_factor_settings.php
./wp-content/plugins/miniorange-2-factor-authentication/miniorange_2_factor_support.php
./wp-content/plugins/miniorange-2-factor-authentication/readme.txt
./wp-content/plugins/miniorange-2-factor-authentication/uninstall.php