GridinSoft Threat Intelligence
mozavcodec.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2021-10-08 20:48:40 (4 years ago); latest analysis 2021-10-08 20:48:40 (4 years ago).
Company metadata: Mozilla Foundation. Product metadata: Firefox Nightly.
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
mozavcodec.dll is a Windows file recorded in the ThreatInfo database. It is associated with Firefox Nightly. The reported company name is Mozilla Foundation. The current detection status is Undefined, based on the latest analysis from 2021-10-08 20:48:40 (4 years 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
| Product Name: | Firefox Nightly |
| Company Name: | Mozilla Foundation |
| MD5: | 76e7416125b3cd4aa8eba6fa79096b31 |
| Size: | 1 MB |
| First Published: | 2021-10-08 20:48:40 (4 years ago) |
| Latest Published: | 2021-10-08 20:48:40 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-10-08 20:48:40 (4 years ago) |
Overview
| Signed By: | Mozilla Corporation |
| Status: | Valid |
The signature on mozavcodec.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%\hvytube\.local-firefox\win64-95.0a1 |
ThreatInfo has observed mozavcodec.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 mozavcodec.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Poland with 100.0% 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 mozavcodec.dll is Windows 10 with 100.0% 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
mozavcodec.dll is identified as pe for 64-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.
02322342529b22c2679be453dc6b92a9
5b6d4c4be9d7cdceefeee6907c77c955
52d8cc15dd40f7eb61d0b60b84c8eb8b
fc888f6db950b3ec3e214df07d215e1c
6f7e41b95549b6df018593a2f3306235
8b3ce27e94b0e02a724877f93da8fdd2
f743b8541f859228076123da8d6e25b0
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.