PortalProtect cannot block the files that exist in a compressed file. When an infected file exists in a compressed file, how can PortalProtect find it?

Compressed files are regarded as a single file by PortalProtect for blocking operations. For Scan/Quarantine/Clean operation, PortalProtect deals with the files contained in the compressed file one by one. Therefore, infected files will not be omitted by PortalProtect.

$('#title').html($('meta[name=description]').attr('content'));

PortalProtect cannot block the files that exist in a compressed file. When an infected file exists in a compressed file, how can PortalProtect find it?