Older versions of WinRAR (prior to 6.23/7.0) have known vulnerabilities that allowed malicious code execution, sometimes utilized by threat actors.
Typically used to group multiple files together and compress them for easier storage or faster transfer. 2020tn.rar
The file "2020tn.rar" likely contains data pertaining to the year 2020, such as documents, images, or "technical notes" (based on "tn"). Older versions of WinRAR (prior to 6
Check the file list within the archiver before extracting all files. such as documents
Only open this file if it originates from a trusted source. Scan the file with antivirus software before extracting it. How to Open/Verify the File Use trusted software: Open with WinRAR or 7-Zip.
Created or managed using RARLAB software, such as WinRAR .