Obfuscating the original filename to prevent unauthorized scrapers from guessing file paths. 2. The "_source" Suffix

Social media sites or video hosting services that handle millions of uploads daily.

Did you recently use an online converter or download a video from a private link? If so, this is likely that file.

Content Delivery Networks (CDNs) use these strings to cache and retrieve data across global servers.

Generally, yes. These files are typically harmless video assets. However, because the filename is generic, you should:

The long, alphanumeric string (0h5o40ef...) is a or a hash. Platforms use these to:

Online video editors like Restream or Online-Convert often generate these names for temporary project files.

The _source tag is a major clue. When you upload a video to a site like Canva or Clideo , the system keeps your original high-resolution file (the "source") and creates several lower-resolution versions for streaming. Finding the _source file usually means you’ve accessed the original, uncompressed upload. 3. Where did it come from? This specific naming convention is common among: