GridinSoft Threat Intelligence

avresample-lav-1.dll file report

Under review File reputation report
MD5 99e5caa8bdd4c12a5c52886b738233ce
Latest seen 2025-07-24 23:01:12 (10 months ago)
First seen 2017-05-21 12:05:40 (9 years ago)
Size 149 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 12:05:40 (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

avresample-lav-1.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: 99e5caa8bdd4c12a5c52886b738233ce
Size: 149 KB
First Published: 2017-05-21 12:05:40 (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 avresample-lav-1.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 avresample-lav-1.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 avresample-lav-1.dll across 53 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Germany
Share 21.8%
Low High activity

The strongest geographic signal for this file is Germany with 21.8% 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 47.5%
Windows 10 40.4%
Windows 8.1 7.4%
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 avresample-lav-1.dll is Windows 7 with 47.5% 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

avresample-lav-1.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 0x65100000

PE Sections:

Sections 11
Raw data 145408

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

.text 125440 bytes · 86.3% of section data
MD5 9f4d1cf7a04e0a6e4344a78838430882
.data 512 bytes · 0.4% of section data
MD5 d948bf6b5649d88aa102ae9ac3275606
.rdata 9728 bytes · 6.7% of section data
MD5 f287a5ac900ae8691c321490695b5126
.rodata 512 bytes · 0.4% of section data
MD5 b008b3808aec0e788e45551e65f50bc4
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 1024 bytes · 0.7% of section data
MD5 21f1b697114540cfc108b3d1f1f40ec5
.idata 3072 bytes · 2.1% of section data
MD5 b58a18398d6ebd480413fbc0d622b509
.CRT 512 bytes · 0.4% of section data
MD5 dba079e833644593fed8ae33eb013f52
.tls 512 bytes · 0.4% of section data
MD5 b50a75e26681a000e341c58e24a45d60
.rsrc 1024 bytes · 0.7% of section data
MD5 12b6cff1f45a69c55e9303707c2f68cf
.reloc 3072 bytes · 2.1% of section data
MD5 a6cad33bbef398c7047e20371adacc6b

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 99e5caa8bdd4c12a5c52886b738233ce.
  • 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.