vBulletin 3.8.4 has been hacked !!!

[محروم.كوم]

Hello,

My website has been hacked !!!


There is a code at the end (bottom) of index.php

Code:

y

Code:

I don't know if other files have been hacked.

I use 3.8.4. with DownloadsII mod

Can you help me?

Thank you __DEFINE_LIKE_SHARE__