GridinSoft Threat Intelligence
libFFmpeg.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2026-03-28 23:00:55 (2 months ago); latest analysis 2026-03-28 23:00:55 (2 months ago).
Signed by Tencent Technology (Shenzhen) Company Limited. 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
libFFmpeg.dll is a Windows file recorded in the ThreatInfo database. It is associated with wxTransFF. The reported company name is Tencent. The current detection status is Undefined, based on the latest analysis from 2026-03-28 23:00:55 (2 months 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: | wxTransFF |
| Company Name: | Tencent |
| MD5: | 4cb8a9186279db891a37e58f6d60a5b1 |
| Size: | 17 MB |
| First Published: | 2026-03-28 23:00:55 (2 months ago) |
| Latest Published: | 2026-03-28 23:00:55 (2 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-03-28 23:00:55 (2 months ago) |
Overview
| Signed By: | Tencent Technology (Shenzhen) Company Limited |
| Status: | Valid |
The signature on libFFmpeg.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:
| %programfiles%\tencent\wechat |
ThreatInfo has observed libFFmpeg.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 libFFmpeg.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 Australia 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 libFFmpeg.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
libFFmpeg.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.
f34e8a6c307190868114213593a96aaa
d2b0db245b41eaf8d4f73b26251cba5f
4333ca467fa1eb48c8ac328870059cdf
3b4f815baf029dd53ba33fecc2a50df5
82e3a2149cbe02af2a71dfdf3ceca9c2
51b3d50fac38e8650a83e2aeca5c8e94
131d60c3b8dc454a3bff98a7fb7d7eb1
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.