Insecure connection to a freelance site. Untrusted SHA-1 certificate?

Question

Information Security

Lost reliable connection to freelancehunt.com
Installed Avast antivirus. Writes an untrusted certificate issued by an antivirus ...
How can I really solve this issue?

Answer 1

As Aleksey POS_troi already said , it was Avast who made the connection to the site "unreliable".
Avast intercept all your traffic to look for malicious code. However, its analysis for services using SSL encryption is not possible.
Avast just stands by and watches the encrypted traffic from the side without the possibility of checking it.
But he also wants to protect you :)
Since Avast cannot control a secure connection, he establishes two different connections: one between you and Avast (which in this case pretends to be a server), and the second between Avast and the site.
The browser sees that someone got between you and "swears" at it. This is called MITM (Man in the middle)
In the settings, HTTPS control is disabled on the "Web screen" - "Scanning HTTPS traffic" tabs.
If you turn it off Avast, you will see that the browser will stop "swearing":

Answer 2

Avast you MITM-it :)
Turn off the "web protection" function in it or something like that.
Why this is done - so that the antivirus can check ssl traffic.