Use a tool like Windows Security or VirusTotal to check the file.
In rare cases, strings like this are used in for domain verification (like for Google Search Console or Cloudflare ). These are usually just strings of code used to prove you own a website. Recommended Actions If you found this file and are unsure of its origin: Do Not Open It: Especially if it was an automatic download. Download File 24owk5fdihna.txt
Some ad-trackers misfire and cause a browser to automatically download a small .txt file instead of displaying a popup. 3. DNS and Technical Records Use a tool like Windows Security or VirusTotal