IOT is the Internet Of connected Things, all of those things like being able to remotely turn on the lights, heating, devices that you can interact with.
Keeping all of this together in the one topic means all of the information is in one place and you don't have to respond in different topics for what is essentially the same issue and anyone trying to help doesn't also have to jump between topics to gather information.
Looking at your other topic, that image doesn't say it is infected, it is saying it is Vulnerable. That vulnerability could be in your WiFi router, I just don't know. I don't believe removing Avast wouldn't change that. The Windows Firewall doesn't make life very easy with settings and I don't know if it would block local IP addresses or not.
You have left your logs in the other topic but that they need to be analysed by a qualified malware removal specialist. There may be some delay due to differing time zones and availability of the volunteer malware removal specialists.