Always run a virus scan (like Windows Defender or Malwarebytes) on the extracted files before opening them.
Because the filename is obfuscated (a random string of letters and numbers), it is impossible to verify the contents just by looking at it. 98c1004c852b489bad8cee503f5e545c.part01.rar
You are missing one of the parts in the sequence. Check your download source for the remaining files. Always run a virus scan (like Windows Defender
If the extracted file ends in .exe , .bat , or .msi and you were expecting a video file, do not run it, as it is likely malicious. do not run it
Use a modern archive manager. The most reliable options are: WinRAR (Windows) 7-Zip (Windows/Linux - Free and Open Source) The Unarchiver (macOS)