GridinSoft Threat Intelligence

avutil-lav-52.dll file report

Under review File reputation report
MD5 26e4e2fc427df0509120177820acd50a
Latest seen 2025-07-24 23:01:12 (10 months ago)
First seen 2017-05-21 12:05:41 (9 years ago)
Size 351 KB
Publisher FFmpeg Project
Product FFmpeg
Signed by Hendrik Leppkes

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 12:05:41 (9 years ago); latest analysis 2025-07-24 23:01:12 (10 months ago).

Publisher context

Company metadata: FFmpeg Project. Product metadata: FFmpeg.

Digital signature

Signed by Hendrik Leppkes. 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.

File context

avutil-lav-52.dll 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 2025-07-24 23:01:12 (10 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: FFmpeg
Company Name: FFmpeg Project
MD5: 26e4e2fc427df0509120177820acd50a
Size: 351 KB
First Published: 2017-05-21 12:05:41 (9 years ago)
Latest Published: 2025-07-24 23:01:12 (10 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-07-24 23:01:12 (10 months ago)

Overview

Signed By: Hendrik Leppkes
Status: Valid

The signature on avutil-lav-52.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%\freecodecpack\lavfilters
%programfiles%\freecodecpack
%sysdrive%\programmi\freecodecpack

ThreatInfo has observed avutil-lav-52.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 avutil-lav-52.dll across 52 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Germany
Share 22.3%
Low High activity

The strongest geographic signal for this file is Germany with 22.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 47.3%
Windows 10 40.4%
Windows 8.1 7.5%
Windows XP 2.4%
Windows Vista 1.2%
Windows 8 0.9%
Windows Embedded 8.1 0.3%

The most common operating system signal for avutil-lav-52.dll is Windows 7 with 47.3% 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

avutil-lav-52.dll 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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x00001420
Image base 0x6f540000

PE Sections:

Sections 10
Raw data 352768

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 282112 bytes · 80.0% of section data
MD5 33daa9bcc6647fab70cce7f21d9ab309
.data 512 bytes · 0.1% of section data
MD5 65a5db4561ef0542248e0fb412011fbf
.rdata 44032 bytes · 12.5% of section data
MD5 bcdd37357683f2839a1fc5717f00a278
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 13312 bytes · 3.8% of section data
MD5 eefdd89c5571f9d41ebe7f5ab1e8db16
.idata 3584 bytes · 1.0% of section data
MD5 3a6f91c61fa7bfaba95519b8731a50f1
.CRT 512 bytes · 0.1% of section data
MD5 e7662c62fdc36385d9ef878f08e934ce
.tls 512 bytes · 0.1% of section data
MD5 d68439952ef5f04c3113f9315ee6d8a4
.rsrc 1024 bytes · 0.3% of section data
MD5 a4ae18c520802e59561b5b89b8aa6432
.reloc 7168 bytes · 2.0% of section data
MD5 847c62e11ce8cd96597f7e6e83e456ee

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 26e4e2fc427df0509120177820acd50a.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.