GridinSoft Threat Intelligence
mc_dec_avc.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-24 15:08:14 (9 years ago); latest analysis 2026-01-28 23:01:17 (4 months ago).
Company metadata: MainConcept GmbH. Product metadata: MainConcept® AVC/H.264 Decoder.
Signed by DivX, LLC. 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
mc_dec_avc.dll is a Windows file recorded in the ThreatInfo database. It is associated with MainConcept® AVC/H.264 Decoder. The reported company name is MainConcept GmbH. The current detection status is Undefined, based on the latest analysis from 2026-01-28 23:01:17 (4 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: | MainConcept® AVC/H.264 Decoder |
| Company Name: | MainConcept GmbH |
| MD5: | d669b3caeb84929b54510aa7e8e46432 |
| Size: | 2 MB |
| First Published: | 2017-05-24 15:08:14 (9 years ago) |
| Latest Published: | 2026-01-28 23:01:17 (4 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-01-28 23:01:17 (4 months ago) |
Overview
| Signed By: | DivX, LLC |
| Status: | Valid |
The signature on mc_dec_avc.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%\videoredotvsuite5 |
| %programfiles% |
ThreatInfo has observed mc_dec_avc.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 mc_dec_avc.dll across 29 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 15.7% 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 mc_dec_avc.dll is Windows 10 with 58.5% 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
mc_dec_avc.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.
9f1fc6c55b97c09e4aca423d9dd904d2
be678492cd3f9981371af5f536ba322a
dff6c4b69a4a15cbaf9b0c4d5708bf7c
326be14f898caaec0ca8d992b25a53cf
6982553f10e03ccfe7bdd7eaffc24f02
dff68c6042ce6778e6734afcce75b84e
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.