If you have the file on your system, you can use these methods to figure out what it is:
: Right-click the file and look at "Properties" or "Details" to see if there is an author or company listed. sc24860-WWv105b77786a.part2.rar
: If this was downloaded from a support portal (like Dell , HP , or Lenovo ), look for a .sha256 or .md5 file on the same page to verify its integrity. If you have the file on your system,
: Upload the file (or its hash) to VirusTotal to see if it has been flagged or analyzed by security researchers. or Lenovo )