During normal browsing on YouTube is an American video-sharing website headquartered in San Bruno, California. Three former Pa... More, at some point, the antivirus Avast Software s.r.o. is a Czech multinational cybersecurity software company headquartered in Pragu... More reported something that was not good.
From the Chrome Inspector it appears that one of the ads is infected and tries to load a crypto miner from Coinhive
Everything has been reported to Google, now I await the answer.