should any of us really be surprised!
Learned a new security keyword by reading that: Malvertising
Although I already knew about getting malware infections via ads placed on sites.
I prefer uBlock:
https://chrome.google.com/webstore/detail/%C2%B5block/cjpalhdlnbpafiamejdnhcphjbkeiagm
This is made only for Chrome browsers at the moment.
Check his GitHub page: