Chinese ISPs Caught Injecting Ads and Malware into Web Pages
Found on Hacker News on Sunday, 28 February 2016

Chinese ISPs had set up many proxy servers to pollute the client's network traffic not only with insignificant advertisements but also malware links, in some cases, inside the websites they visit.
In general, 14 different ISPs had been discovered with malicious background, and out of these 10 are from China, 2 from malaysia, and 1 each from India and United States.
Solution? HTTPS.