While it may look like a random hash or a piece of malware, its presence in a file's metadata typically indicates the color rendering intent used for the image. Technical Specifications
The keyword refers to a specific ICC Profile ID associated with the uRGB (Universal RGB) color profile. 9d91003d4080b03d40742c819ea5228e
Because the profile is tied to the Microsoft Corporation platform, it ensures that colors look consistent when viewed on different Windows-based devices. While it may look like a random hash
Yes. The string is a standard metadata identifier for color management. If you see this hash in an image analysis report or EXIF viewer, it is simply telling you that the image uses the color space to define how its colors should be displayed on your screen. How to tell if same device was used for different images How to tell if same device was used
While the profile itself is software-based, forensic experts check these IDs to see if multiple images were processed by the same device or editing software. Is it Safe?
This specific profile has gained visibility recently because it is often embedded in images created by AI generators or modern digital photography workflows that prioritize a "universal" color standard. Forensic researchers use this ID to:
Detecting specific ICC profiles helps forensic tools like MeVer determine if an image has been altered or created using specific software suites.