GridinSoft Threat Intelligence
gmpopenh264.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 03:01:57 (9 years ago); latest analysis 2025-03-16 23:03:27 (a year ago).
Signed by Mozilla Corporation. The signature is reported as valid, but signed files can still be bundled or abused.
ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.
Recommended action
What to do next
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
gmpopenh264.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2025-03-16 23:03:27 (a year ago).
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| MD5: | ac8327b0d820f6177ceefff995a76080 |
| Size: | 744 KB |
| First Published: | 2017-05-21 03:01:57 (9 years ago) |
| Latest Published: | 2025-03-16 23:03:27 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-03-16 23:03:27 (a year ago) |
Overview
| Signed By: | Mozilla Corporation |
| Status: | Valid |
The signature on gmpopenh264.dll is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %appdata%\firefox\firefox\profiles\cu9gxngn.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\phewacernigh.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\ghohiwardfivuck.default\gmp-gmpopenh264\1.6 |
| %appdata%\firefox\firefox\profiles\wggfdq6z.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\phogotion.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\driperypkety.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\kubercultthibied.default\gmp-gmpopenh264\1.6 |
| %appdata%\firefox\firefox\profiles\ra2e1ohe.default\gmp-gmpopenh264\1.6 |
| %appdata%\firefox\firefox\profiles\wj38csza.default\gmp-gmpopenh264\1.6 |
| %appdata%\profiles\wujikwozght.default\gmp-gmpopenh264\1.6 |
ThreatInfo has observed gmpopenh264.dll in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.
Geographic signal
Observed country distribution
ThreatInfo has seen gmpopenh264.dll across 87 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Indonesia with 13.5% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for gmpopenh264.dll is Windows 10 with 49.2% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.
Analysis
gmpopenh264.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
e1535ff03d2e1d77181f4ec7700bb2d3
35d386b9e26bde8d04410d8e28153d4f
61078f56f64bd2860518b9ce02bf932f
eb99c93277673f304eed31f4bc4d1e6c
16e6ce8839efa7d1a15fa7ba2ba4c6e8
PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.
Report conclusion
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.