malware – What are the heuristic detection techniques most often used in modern antivirus?

Whenever I read books or scientific articles and that the subject of heuristic detection of malware is evoked, they always say the same thing: "it can be static or dynamic", "it can use emulation "," can detect new malware, but greater chances of false positives, "and that's pretty much the way I've seen it described. What are the techniques used by modern audiovisual vehicles for heuristic detection?