PUP.Optional.InstallCore is the detection for a large family of bundlers that are known to install adware and potentially unwanted programs (PUPs) with legitimate applications on Mac and Windows systems.
The company behind PUP.Optional.InstallCore is ironSource, a company that builds monetization, engagement, analytics, and discovery tools for app developers, device manufacturers, mobile carriers, and advertisers. PUP.Optional.InstallCore is available for Windows and Mac systems. The main goal is to get paid by the adware distributors for each successful install and for any shown advertisements.
PUP.Optional.InstallCore comes bundled together with third-party applications. The bundle installer is usually downloaded and executed by the users themselves, often unaware. They are offered up on software download sites, where people look for software they need. They are also offered by ad-rotators as “Java updates”.
Malwarebytes protects users from PUP.Optional.InstallCore by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.InstallCore 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.