yahoo json.engine Is this file bad, malware or anything like that? Do you have it in your browser?

Im very sorry if Im wrong by posting this question here. Since you are programmers I think you are the best people to ask to, anyway. While I was developing a web application and checking some things in the console I detected a file json.engine

If you have mcafee do you have it too?. It appears not only in the apps I develop but also when I use other web pages such as stackoverflow, facebook, google etc.

I found out that the id it has comes from Mcafee extension but I don't think yahoo is linked to Mcafee, so Can you see any malicious thing in the screen shot?

Thanks for your time, If there is a better place where I cold ask this question I'd appreciate if you could tell me where.

As far as I know this json is not doing somethig bad but I know that It could be sending data to some place for I don't know what purposes.

As you can see, this file appears in google as shown in the next screen shot:

It comes form an extension:

I found out that its a Mcafee extension but is it good?

These are search engines. Nothing more.