The string of characters and the "PVP" suffix suggest a few possibilities common in internet subcultures:
: "PVP" usually stands for Player vs. Player. This might be a client patch or a "repack" for a private server of an older MMORPG (like World of Warcraft or Lineage II ). EWRFWEFRTGERGGM18-PVP.rar
: Use a tool like VirusTotal to check the hash against known database threats. The string of characters and the "PVP" suffix