If you're having trouble opening it yourself, you can try these steps:
Most .rar archives include a text file that explains the purpose of the data. bwcbuhtftshtra.rar
Since the name looks randomized, always run it through a scanner like VirusTotal before opening any executable files within the archive. If you're having trouble opening it yourself, you
Is this related to a specific project, a puzzle (like an ARG), or a software patch? a puzzle (like an ARG)