mc_dec_aac.dll file report

MD5 933f60f6d631b2b82e25974df27209dc
Latest seen 2026-01-28 23:01:20 (4 months ago)
First seen 2017-05-24 15:08:18 (8 years ago)
Size 458 KB
Publisher MainConcept GmbH
Signed by DivX, LLC

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-24 15:08:18 (8 years ago); latest analysis 2026-01-28 23:01:20 (4 months ago).

Publisher context

Company metadata: MainConcept GmbH. Product metadata: MainConcept® AAC audio decoder.

Digital signature

Signed by DivX, LLC. 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.

mc_dec_aac.dll is a Windows file recorded in the ThreatInfo database. It is associated with MainConcept® AAC audio decoder. The reported company name is MainConcept GmbH. The current detection status is Undefined, based on the latest analysis from 2026-01-28 23:01:20 (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.

Product Name: MainConcept® AAC audio decoder
Company Name: MainConcept GmbH
MD5: 933f60f6d631b2b82e25974df27209dc
Size: 458 KB
First Published: 2017-05-24 15:08:18 (8 years ago)
Latest Published: 2026-01-28 23:01:20 (4 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-01-28 23:01:20 (4 months ago)
Signed By: DivX, LLC
Status: Valid

The signature on mc_dec_aac.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.

%programfiles%\videoredotvsuite5
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%

ThreatInfo has observed mc_dec_aac.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.

15.4%
14.7%
8.8%
8.1%
7.4%
6.6%
5.9%
4.4%
3.7%
3.7%
2.2%
2.2%
2.2%
1.5%
1.5%
1.5%
1.5%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%

The strongest geographic signal for this file is Poland with 15.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 59.1%
Windows 7 38.0%
Windows 8 1.5%
Windows 8.1 1.5%

The most common operating system signal for mc_dec_aac.dll is Windows 10 with 59.1% 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.

mc_dec_aac.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x0001e453

PE Sections:

Name Size of data MD5
.text 184320 6ea0ac336527d70596699373951d4312
.rdata 255488 03980383d7de98d22fc4a4a9595943a2
.data 9728 30c48c1e128861d750cff4c164f204e2
.rsrc 1536 042c94a2fff231964466b0e8509b9200
.reloc 11264 5a51666b728850e87aaea6d2b2519f34

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.

More information: