Good article on a way to check potentially infested ini files is to be found here:
https://kc.mcafee.com/corporate/index?page=content&id=KB53094Take the info in the link given for general Windows platform related information.
The specific McAfee related information should NOT be regarded and omitted here.
(pol).
Possible symptoms include:
Suspicious computer behavior such as high CPU usage on unrecognized processes
Significantly increased network traffic or bandwidth usage
New services added or existing services removed
Unable to access network resources such as shared drives
Applications cease to function or files cannot be accessed
Unexpected registry keys added
Internet Explorer home page changed without permission
Do an avast full-scan (establish whether PUB-mode is being set).
This article includes references to some third-party tools. For instructions on using them, we recommend here that you use the Help files for the third-party products. (pol.)
Go over it as sketched. Then report here:
https://www.avast.com/false-positive-file-form.phppolonus