Are you trying to a lost file with this name, or are you seeing it in a specific app's library?
: If you received this from an unknown source online, always run it through an antivirus or a tool like VirusTotal before opening. g7057.mp4
: Many cameras use a "G" prefix followed by a number to name recorded clips in sequence. Are you trying to a lost file with
: Editing tools or mobile apps might use this as a temporary or default name during a backup or export . g7057.mp4