GridinSoft Threat Intelligence
avutil-51.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2019-10-23 19:13:09 (6 years ago); latest analysis 2021-10-12 21:00:04 (4 years ago).
Signed by Chengdu Zhagu Technology Co., Ltd.. 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
avutil-51.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2021-10-12 21:00:04 (4 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
| MD5: | 8b512aaed6619d1a55670e732a8192c3 |
| Size: | 166 KB |
| First Published: | 2019-10-23 19:13:09 (6 years ago) |
| Latest Published: | 2021-10-12 21:00:04 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-10-12 21:00:04 (4 years ago) |
Overview
| Signed By: | Chengdu Zhagu Technology Co., Ltd. |
| Status: | Valid |
The signature on avutil-51.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%\pcgameboost |
| %programfiles%\pcgameboost\smart game booster |
ThreatInfo has observed avutil-51.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-51.dll across 38 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 12.8% 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 avutil-51.dll is Windows 10 with 76.9% 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-51.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.
0e6dcf5f85b91ece9f44196285f5329c
a5e14b432bf54f95d662877ca7cdc560
3cbe359328441de04ec02954845e6d93
14ea5025452fc9079e8ae08cf74091b7
00000000000000000000000000000000
d63dd94e223df1de16cf2852906baef2
2471fbff0742cf5fd6dfb0690496fa84
a8523a7a1238e7b339f7925f299ec90d
8fa46c66b4381457cdd705c6495ffbec
3af40a4e286d825b3833ea1a711bc7d7
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.