Anti-virus detection rates for known malware went down a couple of percentage points from 2015 to 2016. Detection rates for zero-days dropped in a big way – from an average of 80 percent down to 70 percent or lower. The hope for the future is a combination of multiple technologies, experts say. Ransomware in particular is causing problems, said KnowBe4’s Sjouwerman, because the malware is so profitable that the cybercriminals are putting more resources into development into development.”]
Source: https://www.csoonline.com/article/3159073/is-antivirus-getting-worse.html