Ensure the file is actually .mkv and not something like .mkv.exe . If you have file extensions hidden in Windows, a virus can easily masquerade as a video file.
Some backup software or encrypted containers name files this way to obscure the content from anyone browsing the folder. 3bd192c05d51550beefed0c6c88edeb6.mkv
Before opening it, upload the file to VirusTotal . It will scan the file against 70+ antivirus engines to ensure no malicious code is embedded in the container. Ensure the file is actually
The filename appears to be a file named after an MD5 hash (a unique digital fingerprint). While this specific hash does not correspond to a single, globally famous piece of media, finding a file named this way usually points to one of three scenarios: it is a file from a peer-to-peer (P2P) network , a forensic/malware sample , or a cached temporary file . Before opening it, upload the file to VirusTotal
Right-click the file (if you already have it) and select Properties > Details . Sometimes the "Title" or "Comments" field will contain the actual name of the movie or show.