Time by time website was hacked - Joomla! Forum - community, help and support

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hello,
i use joomla 2.5 , website hacked several time.
i have same problem. have no access backend , front end,
it returns http 500 error.
in error log file have error:
call undefined method jcontroller::getinstance() in /home2/swvam/public_html/components/com_content/content.php on line 17

if remove files , upload work.



p.s. have subdomains not working on joomla, nothing happens them.

i'm assuming backup virus free / doesn't contain hackers code..?

the first step after to:

* make sure have latest joomla build (2.5.8 site)
* update extensions latest version far practically possible
* change passwords related domain. ftp, site login, cpanel, email sure!

good luck - being hacked not fun.





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