(adsbygoogle = window.adsbygoogle || []).push({}); is their really a 4.40 jb for ps3 or are they all just viruses? can their be one that can work

There isn't a 4.40 jailbreak.
4.40 Jailbreaks are fake and can brick your console.

CFW cannot be installed on OFW higher than 3.55. Anything which says any different is a scam.

However, you can downgrade your console to 3.55 with a hardware flasher if you have a downgradable model.