Let’s decode that file name for the uninitiated:

If you have this specific file set, here is what makes it distinct from the standard "DiRT Rally 2015" release:

DiRT Rally v1.2 + All DLCs + Multiplayer (2016/11/12)
– Repacked by elamigos
– Based on clean Steam files
– All languages included (subtitles + audio for EN/DE/FR/IT/ES)
– Crack included (CODEX / SteamEmu)
– Installation time: ~10–20 minutes depending on system
– Hard drive space required after install: ~28–32 GB

Based on forum archives, this repack included: