Massive malvertising campaign on Yahoo, AOL and other sites delivers ransomware

Malicious advertisements made their way to almost two dozen popular websites. Malicious ads used browser-based exploits to infect computers with CryptoWall, a file-encrypting ransomware program. The attack targeted Yahoo’s Finance and Fantasy Sports sites, realestate.aol.com, theatlantic.com and 9gag.com. The sites themselves were not compromised, but attackers managed to push malicious ads through at least three major advertising networks and exchanges: The Rubicon Project, Right Media (now Yahoo Ad Exchange) and OpenX.”]

Source: https://www.csoonline.com/article/2836990/massive-malvertising-campaign-on-yahoo-aol-and-other-sites-delivers-ransomware.html