GridinSoft Threat Intelligence
QLCommon.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2019-04-16 23:26:15 (7 years ago); latest analysis 2022-10-08 23:08:08 (3 years ago).
Product metadata: QQ影音.
Signed by Tencent Technology(Shenzhen) Company Limited. 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
QLCommon.dll is a Windows file recorded in the ThreatInfo database. It is associated with QQ影音. The current detection status is Undefined, based on the latest analysis from 2022-10-08 23:08:08 (3 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: | QQ影音 |
| MD5: | 91b2cdff00d8f2748ae638415ee5fd6b |
| Size: | 600 KB |
| First Published: | 2019-04-16 23:26:15 (7 years ago) |
| Latest Published: | 2022-10-08 23:08:08 (3 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-10-08 23:08:08 (3 years ago) |
Overview
| Signed By: | Tencent Technology(Shenzhen) Company Limited |
| Status: | Valid |
The signature on QLCommon.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%\tencent |
ThreatInfo has observed QLCommon.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 QLCommon.dll across 7 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Egypt with 33.3% 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 QLCommon.dll is Windows 10 with 77.8% 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
QLCommon.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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.
86105c9a4be2f20018aa937caac17da1
2367fe5227b5388ac41c8afbe0b9c650
f65da7816e52d094fce04e0ed4f7070a
c9bd6f90e40134bdc56e69f7f7b14e4f
e8e873ba2bb49b85a2398378c55fc4f7
138b3f0af5892f87405dcf281e1c8abf
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.