Always run an antivirus scan on the folder once extraction is complete. Tools like VirusTotal allow you to upload suspicious files for a multi-engine security check.
Files found in split archives, especially from unverified third-party sources, carry a high risk of containing malware or unwanted "bloatware." land101.part1.rar
A .part1.rar file is the first "volume" of a larger dataset. Think of it like the first chapter of a book; you have the beginning, but you can’t understand the whole story until you have the rest of the chapters. Always run an antivirus scan on the folder