GridinSoft Threat Intelligence

avutil-lav-56.dll file report

Under review File reputation report
MD5 a1893d4d1aa98f0b0fdbccf12c6ed730
Latest seen 2024-11-05 23:01:45 (2 years ago)
First seen 2024-11-05 23:01:45 (2 years ago)
Size 594 KB
Publisher FFmpeg Project
Product FFmpeg
Signed by Zhengzhou Kuoxi Network Technology Co., Ltd.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2024-11-05 23:01:45 (2 years ago); latest analysis 2024-11-05 23:01:45 (2 years ago).

Publisher context

Company metadata: FFmpeg Project. Product metadata: FFmpeg.

Digital signature

Signed by Zhengzhou Kuoxi Network Technology Co., Ltd.. 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-56.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 2024-11-05 23:01:45 (2 years 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: a1893d4d1aa98f0b0fdbccf12c6ed730
Size: 594 KB
First Published: 2024-11-05 23:01:45 (2 years ago)
Latest Published: 2024-11-05 23:01:45 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-11-05 23:01:45 (2 years ago)

Overview

Signed By: Zhengzhou Kuoxi Network Technology Co., Ltd.
Status: Valid

The signature on avutil-lav-56.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%\jianpian

ThreatInfo has observed avutil-lav-56.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-56.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 100.0%
Low High activity

The strongest geographic signal for this file is China with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for avutil-lav-56.dll is Windows 10 with 100.0% 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-56.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 0x000013e0
Image base 0x10000000

PE Sections:

Sections 10
Raw data 580096

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

.text 449536 bytes · 77.5% of section data
MD5 51f3393111fd7eaa3dbd1ece16881c9e
.data 512 bytes · 0.1% of section data
MD5 248674a845f47997e621b473c26264e0
.rdata 94720 bytes · 16.3% of section data
MD5 69f64a025a5588c2ff0df30e553f7497
.bss 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.edata 15872 bytes · 2.7% of section data
MD5 7f5cb32014cdbc5f55a066b5e575be62
.idata 4096 bytes · 0.7% of section data
MD5 e1dbd9be89694db323e30d6e47e4ed4d
.CRT 512 bytes · 0.1% of section data
MD5 cbeb8301c354db52232b6409e1822345
.tls 512 bytes · 0.1% of section data
MD5 376a56eeae9fca77a486e1a33ef6ffb2
.rsrc 1024 bytes · 0.2% of section data
MD5 d211962cc9c4a0c3bae3529708b4bdd7
.reloc 13312 bytes · 2.3% of section data
MD5 10e3a8f4cd3649eac5aed118c2d9f703

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 a1893d4d1aa98f0b0fdbccf12c6ed730.
  • 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.