GridinSoft Threat Intelligence
avcodec-lav-56.dll.vir file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 08:10:10 (9 years ago); latest analysis 2026-05-13 19:01:27 (a week ago).
Company metadata: FFmpeg Project. Product metadata: FFmpeg.
Signed by Digital Wave Ltd. The signature is reported as valid, but signed files can still be bundled or abused.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
avcodec-lav-56.dll.vir is a Windows file recorded in the ThreatInfo database. It is associated with FFmpeg. The reported company name is FFmpeg Project. The current detection status is Undefined, based on the latest analysis from 2026-05-13 19:01:27 (a week 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: | FFmpeg |
| Company Name: | FFmpeg Project |
| MD5: | 625db1b882a34e19a7694bea453a6158 |
| Size: | 9 MB |
| First Published: | 2017-05-21 08:10:10 (9 years ago) |
| Latest Published: | 2026-05-13 19:01:27 (a week ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-05-13 19:01:27 (a week ago) |
Overview
| Signed By: | Digital Wave Ltd |
| Status: | Valid |
The signature on avcodec-lav-56.dll.vir 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:
| %programfiles%\freecodecpack\lav |
| %sysdrive%\programmi\freecodecpack\lav |
| %sysdrive%\programas\freecodecpack\lav |
| %sysdrive%\archivos de programa\freecodecpack\lav |
| %programfiles%\freecodecpack |
| %sysdrive%\programmi\freecodecpack |
| %sysdrive%\programme\freecodecpack |
| %sysdrive%\program\freecodecpack |
| %sysdrive%\archivos de programa\freecodecpack |
ThreatInfo has observed avcodec-lav-56.dll.vir 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.
File Names:
3 observed namesThis hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.
Geographic signal
Observed country distribution
ThreatInfo has seen avcodec-lav-56.dll.vir across 105 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Germany with 8.8% 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 avcodec-lav-56.dll.vir is Windows 10 with 57.3% 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
avcodec-lav-56.dll.vir is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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.
b52a60d85a182128bd323d45894db5ad
75c49053306bfb81c4abac4bb82a5468
f7f3e17f6ea46366c7ec4e1cba92de5b
60c698711ed1409f239ee5d8f663d572
00000000000000000000000000000000
2444001de539c41d2a4066295b763b6a
63d557a40542be1d4ed2e42fe5ee2ebb
9d0f86ce763d8058f31c0b85a545a64f
9a4e3ef079efff707c8ea26272a7c157
9c94634367785df5d383570631403b31
ef58cf5440f0b9ed223c7691c5c77781
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.