This is likely the name of the software, game, or media content contained within the archive.
Files with this naming convention are frequently used to distribute pirated software or "cracked" applications, which often carry high security risks. sc24087-KOHIIS.part3.rar
The filename appears to be a specific segment of a multi-part compressed archive, likely associated with digital file sharing or software distribution networks. Based on the structure of the filename, This is likely the name of the software,