Adware, toolbars, or browser extensions bundled with free software.

In a less common context, "Gen" could refer to or Generator .

I cannot find any widely recognized academic paper or computer security research specifically titled "win64 pup gen." However, based on the terminology, this refers to a technical concept in malware analysis and detection.

Here is a breakdown of what this phrase implies in the context of cybersecurity, which may help you find the specific paper or tool you are looking for:

While technically "legal" because users often unwittingly give consent via complex terms of service, these programs can: Track user data and browsing habits. Change browser settings or inject advertisements .

If a research paper or security report uses this designation, it likely discusses one of the following topics:

While not technically a virus, a PUP-gen detection should not be ignored. It can lead to several system issues: