Bandicam version 2.1.2.740 was released years ago (circa 2015) during a time when Bandicam was the go-to choice for gamers and YouTubers. Because the free version Bandicam applied a noticeable watermark and restricted recordings to 10 minutes, many users sought "Keymakers"—small, unofficial executable files designed to generate serial keys or modify local registry files to unlock the "Full Version" without a paid license. 2. The Danger: Malicious Payloads
Modern security analysis of files claiming to be the "Bandicam V2.1.2.740 Keymaker" shows high threat levels: Bandicam V2.1.2.740 Keymaker
If you need the full capabilities of Bandicam without the restrictions of the free version, the official website offers legitimate licensing options: Download older versions of Bandicam Screen Recorder Bandicam version 2