GridinSoft Threat Intelligence
QyAppExtension.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2021-04-18 20:50:23 (5 years ago); latest analysis 2021-04-18 20:50:23 (5 years ago).
Signed by BEIJING QIYI CENTURY SCIENCE&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
QyAppExtension.dll is a Windows file recorded in the ThreatInfo database. It is associated with 爱奇艺PPS影音. The reported company name is 爱奇艺. The current detection status is Undefined, based on the latest analysis from 2021-04-18 20:50:23 (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: | 爱奇艺PPS影音 |
| Company Name: | 爱奇艺 |
| MD5: | d086b86ba813d36c1cc84f3964bf5d3f |
| Size: | 471 KB |
| First Published: | 2021-04-18 20:50:23 (5 years ago) |
| Latest Published: | 2021-04-18 20:50:23 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-04-18 20:50:23 (5 years ago) |
Overview
| Signed By: | BEIJING QIYI CENTURY SCIENCE&TECHNOLOGY CO.,LTD. |
| Status: | Valid |
The signature on QyAppExtension.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%\iqiyi video |
ThreatInfo has observed QyAppExtension.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 QyAppExtension.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 100.0% 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 QyAppExtension.dll is Windows 7 with 100.0% 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
QyAppExtension.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.
0f966564c267fb88b7d6a990cdbe0a48
7bfe56374b37c5e96987f773cd95dbc1
5af4dc3998d4f0684ee70ef6222d9202
7c571a9532fd7aa4050622b7cfd2b4e1
5de9b262226576098be500858ae06e65
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.