Files have failed the integrity check

Good Day!
I have got the following information about files which have failed the integrity check:

Technical information

The following list covers which files have failed the integrity check. Please read
the previous linked documentation to learn more about the errors and how to fix
them.

Results

  • core
    • EXTRA_FILE
      • usage/.htaccess
      • usage/.htpasswd

Raw output

Array
(
[core] => Array
(
[EXTRA_FILE] => Array
(
[usage/.htaccess] => Array
(
[expected] =>
[current] => 1159108a5b77640d1db1aae6eeeaeaea2f1c2c3ce71dcb06b397f290a974a21b848f2eb8a1ca156c8ded882c352c890835bfcfd0987b0560c909952798d42000
)

                [usage/.htpasswd] => Array
                    (
                        [expected] => 
                        [current] => 1f6981025a4e1a4d217662668c842e952b25125117c6c2fa1b70839597559176984899034144c78ad46b26d343070c365be22a9bfc7ec2c5e80818e0dd487079
                    )

            )

    )

)

Can anybody give an advice what to do?
Thanks!

These files do not exist in the standard-installation. So they have been either added or were there before.