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The "GM" prefix followed by numbers is a common default naming scheme for CCTV or webcam software (hence "Lolcams"). 2. Safety and Security Warnings GM 0649 Lolcams avi
If you have encountered this file on a hard drive or a suspicious website, follow these safety protocols before attempting to play it: Upload the file to VirusTotal to check it
A standard .avi video should be several megabytes at minimum. If the file is only a few kilobytes (KB), it is likely a shortcut or a script designed to execute code, not a video. Safety and Security Warnings If you have encountered
Open the file inside a Virtual Machine (like VirtualBox) so that if it contains a virus, it cannot escape to your main operating system.
Providing that context can help narrow down exactly what was inside.