GridinSoft Threat Intelligence
avformat-55.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-05-22 10:15:23 (9 years ago); latest analysis 2025-04-11 23:00:43 (a year ago).
Signed by Bitberry Software. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
avformat-55.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2025-04-11 23:00:43 (a year ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
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
| MD5: | 1efb85cf87033bf01863292367f1995c |
| Size: | 1 MB |
| First Published: | 2017-05-22 10:15:23 (9 years ago) |
| Latest Published: | 2025-04-11 23:00:43 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-04-11 23:00:43 (a year ago) |
Overview
| Signed By: | Bitberry Software |
| Status: | Valid |
The signature on avformat-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%\freefileviewer\ffmpeg |
| %programfiles%\freefileviewer |
| %desktop%\recovered data\lostdirs\freefileviewer |
| %sysdrive%\windows.old\program files (x86)\freefileviewer |
ThreatInfo has observed avformat-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-55.dll across 62 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 23.1% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for avformat-55.dll is Windows 10 with 50.8% 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-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
c5cb41d62835172ee885497f366fd31d
bbe4b3d655d453e1039ad63c45c53cb0
04a33b5b74e9a3e1adc31d30a7919514
faafb62d474a5ebcf18ce1cec0ccb395
00000000000000000000000000000000
359f71ef7bde41340e1423929564eb2d
7c897e59e253e34a5094170082980a1a
ddccdbd5aeeee5b033a84a5477c5411d
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.