Cyber criminals have used the Yahoo ad network to spread contagious among Internet ads. According to anti-virus firm Malwarebytes involved a large-scale attack that began on July 28. The advertisements appeared on various Yahoo sites.
It was among other things, yahoo.com , news.yahoo.com and games.yahoo.com . The websites get together about 6.9 billion visitors per month. The ads showed visitors from Yahoo unnoticed load a page with the Angler exploitkit. This exploitkit uses known vulnerabilities include Adobe Flash Player that users are not patched.
It is unknown what type of malware is installed on a successful attack on computers, but in the past Angler's exploitkit used to infect computers with malware and ransomware committing click fraud. After being informed Yahoo pulled the ad campaign from the air. The Internet giant states in response that it and other Internet companies working on a secure "advertising experience."
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