Malwarebytes is getting even more critical about what we call a PUP, and what we are going to be detecting and removing from user systems. We removed approximately 500 million traces of PUPs per month last year. PUP developers are making efforts to circumvent our criteria and continue distributing their damaging software to users. These changes are to help continue that fight against products and companies that scam users on the Internet. You can learn more about our new PUP criteria here. You can be educated about the criteria here.”]
Source: https://blog.malwarebytes.com/malwarebytes-news/2016/10/malwarebytes-gets-tougher-on-pups/