Question

Today i've found my webserver with all files encrypted (index.php.encrypted)

There is also heavy POST and GET registries in my log. Specially from an unkown php file called POST_ip_port.php

Any advice would be apreciated.

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Hello,

I’m really sorry to be the bearer of bad news. Unfortunately it sounds like your webserver was compromised and fell victim to some ransomware. If that is the case, your best bet would be to restore from one of your backups, since you won’t otherwise be able to unencrypt your files without paying the ransom.

Joomla has recently seen several security vulnerabilities and, like every web application, it is important that you keep Joomla up to date in order to prevent it from being compromised. The latest version of Joomla (as of making this post) is 3.4.8, so when you redeploy based on your backup, I highly recommend upgrading Joomla straight away.

Best, Eris Platform Support Specialist