: Automated trial resetting software is frequently identified by ESET and other security vendors as potentially unwanted applications (PUA) or malware.

The simplest legal method is to use a new email address. ESET ties trial licenses to email accounts. You can:

Trials are generally intended for users who have not previously subscribed to the service on that specific device.

there is no formal "academic paper" specifically dedicated to resetting the ESET Internet Security

behind ESET rather than just the trial reset, the following official whitepapers and research articles offer deep dives into their technology: ESET Technology Whitepaper