: Many antivirus programs, including ESET itself, often flag or block the site as a potential threat due to the nature of the shared content, which ESET identifies as "abusive" or "false alerts" according to site users. The Role of ESET NOD32 Keys
The risks far outweigh the benefits. You wouldn’t trust a stranger who hands you a key to your house—don’t trust a stranger with your PC’s security.
Given the user's search query and the way the site is discussed online, it's highly probable that pefelie.org uses one or both of these methods to collect and publish ESET NOD32 keys for anyone to use.