the only issue we can deal with here is your hacking issue. your video issue should be dealt with in a more suitable forum
[ ] Did you use the forum
http://forum.joomla.org/search.php search box for a similar error?
[ ] Run the
Forum Post Assistant / FPA Instructions
available here and are also included in the download package.
[ ] Ensure you have the
latest version of Joomla.
Delete all files in your Joomla installation. Replace the deleted files with fresh copies of a current full version of Joomla, and fresh copies of extensions and templates used.
Only by replacing all files in the installation (including extensions and templates) can you be sure to remove the backdoors inserted and hidden in files and directories[ ] Review
Vulnerable Extensions List[ ] Review and action
Security Checklist checklist 7 to make sure you've gone through all of the steps.
[ ] Scan all machines with FTP, Joomla super admin, and Joomla admin access for malware, virus, trojans, spyware, etc.
[ ] Change all passwords and if possible user names for the website host control panel and your Joomla site.
[ ] Use proper permissions on files and directories. They should
never be 777, but ideal is 644 and 755
[ ] Check your htaccess for for any odd code (i.e. code which is not in the standard htaccess supplied as part of the Joomla installation).
[ ] Check the crontab or Task Scheduler for unexpected jobs/tasks.
[ ] Ensure you do not have anonymous ftp enabled
Note: The forum post tool will work with J1.0.x, J1.6.x, J1.7.x
