Third-party "giveaway" installers for specific old versions (like v7.2.2936) often contain keyloggers, adware, or trojans .
In 2020, AdGuard ran a legitimate and widely recognized global giveaway, though it was tied to specific events rather than a random key dump. While many online "giveaways" from that year for AdGuard Premium v7.2.2936 Adguard Premium v7.2.2936 License Key Giveaway for PC 2020