GridinSoft Threat Intelligence

avutil-54.dll file report

Under review File reputation report
MD5 f28e01e27856d1c5bb4906c5cdaac029
Latest seen 2021-01-02 00:11:03 (5 years ago)
First seen 2018-04-30 04:05:22 (8 years ago)
Size 412 KB
Publisher FFmpeg Project
Product FFmpeg
Signed by YY Inc.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2018-04-30 04:05:22 (8 years ago); latest analysis 2021-01-02 00:11:03 (5 years ago).

Publisher context

Company metadata: FFmpeg Project. Product metadata: FFmpeg.

Digital signature

Signed by YY Inc.. 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

avutil-54.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 2021-01-02 00:11:03 (5 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: f28e01e27856d1c5bb4906c5cdaac029
Size: 412 KB
First Published: 2018-04-30 04:05:22 (8 years ago)
Latest Published: 2021-01-02 00:11:03 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-02 00:11:03 (5 years ago)

Overview

Signed By: YY Inc.
Status: Valid

The signature on avutil-54.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:

%appdata%\duowan\yy\yycomstore\2052\com.yy.kefu

ThreatInfo has observed avutil-54.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.

File Names:

2 observed names
avutil-54.dll avutil-54.dll.quarantined

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.

Geographic signal

Observed country distribution

ThreatInfo has seen avutil-54.dll across 11 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Taiwan
Share 46.1%
Low High activity

The strongest geographic signal for this file is Taiwan with 46.1% 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 87.6%
Windows 7 10.1%
Windows 8.1 2.2%

The most common operating system signal for avutil-54.dll is Windows 10 with 87.6% 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-54.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 0x00001060
Image base 0x66f40000

PE Sections:

Sections 11
Raw data 413696

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

.text 283648 bytes · 68.6% of section data
MD5 84823421bdd2040ba4ab9c0250de2358
.data 512 bytes · 0.1% of section data
MD5 c451b6447cdc8b30a4889a646261e13e
.rdata 69120 bytes · 16.7% of section data
MD5 fee390a077c5e3b033c76b6810af9481
/4 33792 bytes · 8.2% of section data
Uncommon name
MD5 3718a5e8d0c0c0e4eb968059fe548701
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 12800 bytes · 3.1% of section data
MD5 14851070617f50577c3e5e3ea7713781
.idata 3072 bytes · 0.7% of section data
MD5 1a0f05a6249f5b9b2c6a16c8aedf03b2
.CRT 512 bytes · 0.1% of section data
MD5 39e19a93f8a3c98f1720333e63464a14
.tls 512 bytes · 0.1% of section data
MD5 48312bcb659c0c1fa18094bde6c98619
.rsrc 1024 bytes · 0.2% of section data
MD5 810745dec2bbb3b8314b22453c2d579e
.reloc 8704 bytes · 2.1% of section data
MD5 bf63f11100b39ee9fa2eaf6d6d377e9f

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 f28e01e27856d1c5bb4906c5cdaac029.
  • 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.