I’ve looked this up a lot, and I keep getting completely different results in each page I clicked.

I want to know what is the best, most secure antivirus, that’s universal (Supports Windows, MacOS, Linux, Android), that detects 100% of malware.

It doesn't need to support Linux, but I thought it would be nice.

If you think "antivirus that detects 100% of malware" doesn't exist, then the one that finds the most malware the fastest

Yes, it can be anti-malware too, but it should fit the conditions above as well.

(Disclaimer: This question and similar questions were Googled before asking here, and I did not find the answers I was looking for.)