GridinSoft Threat Intelligence

avformat-lav-55.dll file report

Under review File reputation report
MD5 4cb0cdd9775fee3a5697195c666d6102
Latest seen 2025-07-24 23:01:17 (10 months ago)
First seen 2017-05-21 12:05:41 (8 years ago)
Size 1 MB
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 (8 years ago); latest analysis 2025-07-24 23:01:17 (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

avformat-lav-55.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 23:01:17 (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: 4cb0cdd9775fee3a5697195c666d6102
Size: 1 MB
First Published: 2017-05-21 12:05:41 (8 years ago)
Latest Published: 2025-07-24 23:01:17 (10 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-07-24 23:01:17 (10 months ago)

Overview

Signed By: Hendrik Leppkes
Status: Valid

The signature on avformat-lav-55.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 avformat-lav-55.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 avformat-lav-55.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 avformat-lav-55.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

avformat-lav-55.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 0x6f640000

PE Sections:

Sections 10
Raw data 1266688

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

.text 1032192 bytes · 81.5% of section data
MD5 9b59e15650265010a2515c1f66f7ce54
.data 26112 bytes · 2.1% of section data
MD5 d74f9103b895bdfaf5f6b69f8e51d627
.rdata 166912 bytes · 13.2% of section data
MD5 4cc320f384fdad2cd2a15cc350a319b4
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 5120 bytes · 0.4% of section data
MD5 ff2f8de8750216595672b04034519bf6
.idata 10752 bytes · 0.8% of section data
MD5 69f5ba173ea7360561078fea2a100538
.CRT 512 bytes · 0.0% of section data
MD5 358cde166a346d4d880507d2e83ba4bd
.tls 512 bytes · 0.0% of section data
MD5 676eb9aa9be7c3c00f82925ce3dd1432
.rsrc 1024 bytes · 0.1% of section data
MD5 c9e3f56f67d8f0d5efcc827ab9a73af8
.reloc 23552 bytes · 1.9% of section data
MD5 ea7ecb3048a6f0c51e8dc7cf9a01ffe6

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 4cb0cdd9775fee3a5697195c666d6102.
  • 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.