GridinSoft Threat Intelligence

avfilter-lav-5.dll.vir file report

Under review File reputation report
MD5 c9170f248588f8a3cca2e902e2f06ed2
Latest seen 2026-03-24 23:00:44 (2 months ago)
First seen 2017-05-21 08:10:10 (8 years ago)
Size 182 KB
Publisher FFmpeg Project
Product FFmpeg
Signed by Digital Wave Ltd

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 08:10:10 (8 years ago); latest analysis 2026-03-24 23:00:44 (2 months ago).

Publisher context

Company metadata: FFmpeg Project. Product metadata: FFmpeg.

Digital signature

Signed by Digital Wave Ltd. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

avfilter-lav-5.dll.vir 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 2026-03-24 23:00:44 (2 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: c9170f248588f8a3cca2e902e2f06ed2
Size: 182 KB
First Published: 2017-05-21 08:10:10 (8 years ago)
Latest Published: 2026-03-24 23:00:44 (2 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-03-24 23:00:44 (2 months ago)

Overview

Signed By: Digital Wave Ltd
Status: Valid

The signature on avfilter-lav-5.dll.vir 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\lav
%sysdrive%\programmi\freecodecpack\lav
%sysdrive%\programas\freecodecpack\lav
%sysdrive%\archivos de programa\freecodecpack\lav
%programfiles%\freecodecpack
%sysdrive%\programmi\freecodecpack
%sysdrive%\programme\freecodecpack
%sysdrive%\program\freecodecpack
%sysdrive%\archivos de programa\freecodecpack

ThreatInfo has observed avfilter-lav-5.dll.vir 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.

File Names:

3 observed names
avfilter-lav-5.dll avfilter-lav-5.dll.quarantined avfilter-lav-5.dll.vir

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geography:

105 observed countries
8.9%
7.3%
6.7%
6.1%
5.1%
4.2%
4.1%
3.6%
3.0%
2.9%
2.6%
2.4%
2.3%
2.1%
1.8%
1.6%
1.5%
1.4%
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1.2%
1.1%
1.1%
1.1%
1.0%
1.0%
0.9%
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0.8%
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0.7%
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0.5%
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0.1%
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0.1%

The strongest geographic signal for this file is Germany with 8.9% 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 57.3%
Windows 7 32.8%
Windows 8.1 7.1%
Windows XP 1.4%
Windows 8 1.0%
Windows Vista 0.4%

The most common operating system signal for avfilter-lav-5.dll.vir is Windows 10 with 57.3% 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

avfilter-lav-5.dll.vir 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 0x00001400
Image base 0x62400000

PE Sections:

Sections 11
Raw data 182784

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

.text 144384 bytes · 79.0% of section data
MD5 c997372f1e9e25644e6e3635cdd1a420
.data 1024 bytes · 0.6% of section data
MD5 240ddec1eb578d10b43f837cdb4a055e
.rdata 22016 bytes · 12.0% of section data
MD5 2ec53fb84e0d2b9f3d1b6563daeef6a2
.rodata 512 bytes · 0.3% of section data
MD5 d72f748345aa338d0d40cd060ed27e2a
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 3072 bytes · 1.7% of section data
MD5 78f2a89ee63299e42e205e04f39ce316
.idata 6144 bytes · 3.4% of section data
MD5 749e5a1a7287c94c04a1954f9730ecb2
.CRT 512 bytes · 0.3% of section data
MD5 e4a1de4a5e36af0346bbeee2c562d2ef
.tls 512 bytes · 0.3% of section data
MD5 794dd883c12bff39ee106d9abb416828
.rsrc 1024 bytes · 0.6% of section data
MD5 fdd0c74c15c7abd5452aeb7b955dba03
.reloc 3584 bytes · 2.0% of section data
MD5 050c9b24017c1537678a58e7153e5177

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 c9170f248588f8a3cca2e902e2f06ed2.
  • 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.