I think this is caused by entering the wrong encryption key (JPS) on the first try to restore. Because the key is wrong a folder is created with 'encrypted' characters I think.
Maybe it would be better (if possible) to check the encryption key before creating a folder?
|Joomla! version (in x.y.z format)||3.9.11|
|PHP version (in x.y.z format)||7.2.19|
|Akeeba Backup version (x.y.z format)||6.6.0|
|Kickstart version (x.y.z format)||Not sure...|