!new!: 9d91003d4080b03d40742c819ea5228e
0.9642 1 0.82491 (Standard D50 white point mapping)
Services like ANY.RUN use similar hexadecimal strings to identify specific malware analysis reports.
: Little CMS (an open-source color management engine) Copyright status : Public Domain (CC0) Core Matrix and Color Data Specifications
A hash is a fixed-size output derived from input data of any size — from a single character to a multi-gigabyte file. The same input always produces the same hash, but even a tiny change in input produces a completely different, seemingly random output. 9d91003d4080b03d40742c819ea5228e
Every digital image relies on a color profile (also known as an ICC profile) to ensure that its red, green, and blue pixels look the same whether viewed on a phone, a laptop, or a professional monitor.
When an attacker modifies a portion of an image, they often use software that inadvertently strips, replaces, or alters the original embedded ICC profile. Forensic tools parse the image metadata. If the header claims the image uses standard uRGB but the computed Profile ID fails to match 9d91003d4080b03d40742c819ea5228e , the file is flagged as potentially manipulated. 2. Re-saving and Compression Traces
To ensure that the profile has not been corrupted or altered, the ICC standard computes an MD5 checksum of the profile's raw data. The resulting 32-character hexadecimal string is embedded as the . When a program reads 9d91003d4080b03d40742c819ea5228e , it instantly verifies the file as the official, unaltered uRGB color profile . Technical Breakdown of the uRGB Profile Every digital image relies on a color profile
[Input Image File] ---> Extracts Metadata ---> Finds Profile ID: 9d91003d4080b03d40742c819ea5228e | Cross-references with Software Defaults | Flags Software Alteration / Export Detected 2. File Integrity Verification (Checksums) 9d91003d4080b03d40742c819ea5228e !exclusive! [Trusted]
used to define how colors are rendered on monitors and within digital imaging software. It is characterized by the following technical specifications: Profile Description: Profile Class: Display Device Profile Color Space: RGB (with an XYZ Profile Connection Space) Primary Platform: Microsoft Corporation Profile Version: Copyright: CC0 (Public Domain) Key Characteristics The uRGB profile is often encountered in digital forensics image metadata analysis
The alphanumeric string is a unique, persistent Profile ID embedded within the uRGB ICC color profile . In digital forensics, photography, and graphic design, tracking these identifiers serves as a critical mechanism for verifying asset authenticity and verifying data integrity. If the header claims the image uses standard
It is worth noting that MD5 collisions—where two different inputs produce the same hash—have been demonstrated by researchers (e.g., the Flame malware used a fake MD5 certificate). But finding a specific preimage (input that hashes to a given value) is still computationally difficult unless the input space is small or predictable.
Without more context, it's difficult to determine the exact purpose or meaning of this string. However, it's possible that it could be a:
Perceptual (optimizes for human visual perception). Color Space: RGB with an XYZ connection space. Copyright: Released under CC0 (Public Domain). 3. Forensic Significance
When a digital camera, software program (like Microsoft Paint), or operating system saves an image with the uRGB profile, it embeds specific metadata. The core identifier for that specific environment configuration is the Profile ID: 9d91003d4080b03d40742c819ea5228e . Metadata Specifications of the Profile