The string 9d91003d4080b03d40742c819ea5228e is a specific Profile ID for an ICC color profile called uRGB. This identifier is commonly found in the EXIF metadata of digital images, particularly those processed on Microsoft platforms or using certain open-source color management tools like Little CMS. Identification and Meaning
If you run top and see an entry like 9d91003d4080b03d40742c819ea5228e as a process name — that’s suspicious. Legitimate processes don’t look like random hashes.
In the context of image verification and forensics, this unique 32-character hexadecimal string serves as a fingerprint for the color profile embedded in an image file. Tools like ExifTool and forensic platforms such as MeVer's Image Verification Assistant use this ID to:
What it is: A 128-bit MD5 hash used as a unique identifier (Profile ID) for the uRGB color profile.