G8643.mp4

: Right-click the file, open with VLC, and go to Tools > Codec Information . This will tell you the resolution and the software used to encode the video. To provide a more specific report, could you tell me:

: Many DVR systems (like Hikvision or Dahua) use alphanumeric strings to tag motion-detected clips. g8643.mp4

: While .mp4 is a video format, "double extensions" (e.g., g8643.mp4.exe ) can hide malicious software. : Right-click the file, open with VLC, and

Based on common naming conventions, this file likely comes from one of the following: : Right-click the file

: Automotive cameras often use sequential numbering for saved "event" files.