PUP.Optional.KerishDoctor is Malwarebytes' detection name for for a potentially unwanted program published by Kerish Products that supposedly is a complete maintenance solution for Windows systems. It promises to optimize performance, prevent crashes and protect against malware.
Users my see this entry in their list of installed Programs and Features.
PUP.Optional.KerishDoctor is often installed by users themselves, because it is marketed as an all-round system optimizer. These so-called “system optimizers” often use intentional false positives to convince users that their systems have problems. Then they try to sell you their software, claiming it will remove these problems. In most other cases they offer functionality that is already present in Windows by default.
Malwarebytes offers users an option to reconsider the installation of PUP.Optional.KerishDoctor by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.KerishDoctor without further user interaction.
Should users wish to keep this program and exclude it from being detected in future scans, they can add the program to the exclusions list. Here’s how to do it.
If you want to allow the program to connect to the Internet, for example to fetch updates, also add an exclusion of the type Allow an application to connect to the internet and use the Browse button to select the file you wish to grant access.
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