[shana]20200112_225446.mp4.jpg Official

This suggests the file is an image (thumbnail) captured from the MP4 video of the same name. Tips for Managing Encoded Files

Quickly switching between MP4, MOV, AVI, and other major formats. [SHANA]20200112_225446.mp4.jpg

If you don't like the "[SHANA]" tag, you can change or remove it in the "MISC" tab of the Quick Settings within the application. This suggests the file is an image (thumbnail)

Adding subtitles, cropping videos, or applying filters during the encoding process. Decoding Your File Name [SHANA]20200112_225446.mp4.jpg