GridinSoft Threat Intelligence

gmpopenh264.dll file report

Under review File reputation report
MD5 ac8327b0d820f6177ceefff995a76080
Latest seen 2025-03-16 23:03:27 (a year ago)
First seen 2017-05-21 03:01:57 (9 years ago)
Size 744 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 03:01:57 (9 years ago); latest analysis 2025-03-16 23:03:27 (a year ago).

Digital signature

Signed by Mozilla Corporation. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

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.

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)
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.

%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.

Windows 10 49.2%
Windows 7 39.3%
Windows 8.1 8.2%
Windows 8 1.9%
Windows XP 1.2%
Windows Vista 0.2%
Windows Server 2012 R2 0.1%

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.

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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0007dbe3
Image base 0x10000000

PE Sections:

Sections 5
Raw data 753664

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 601088 bytes · 79.8% of section data
MD5 e1535ff03d2e1d77181f4ec7700bb2d3
.rdata 119296 bytes · 15.8% of section data
MD5 35d386b9e26bde8d04410d8e28153d4f
.data 10240 bytes · 1.4% of section data
MD5 61078f56f64bd2860518b9ce02bf932f
.rodata 4608 bytes · 0.6% of section data
MD5 eb99c93277673f304eed31f4bc4d1e6c
.reloc 18432 bytes · 2.4% of section data
MD5 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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with ac8327b0d820f6177ceefff995a76080.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.