GridinSoft Threat Intelligence
QuiLib.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 2017-09-11 12:09:46 (8 years ago); latest analysis 2021-04-18 20:35:16 (5 years ago).
Signed by BEIJING QIYI CENTURY SCIENCE@amp;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
QuiLib.dll is a Windows file recorded in the ThreatInfo database. It is associated with 爱奇艺视频界面库. The reported company name is 爱奇艺. The current detection status is Undefined, based on the latest analysis from 2021-04-18 20:35:16 (5 years 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
| Product Name: | 爱奇艺视频界面库 |
| Company Name: | 爱奇艺 |
| MD5: | 5ac162e769399c9ced799b0e6e770da2 |
| Size: | 1 MB |
| First Published: | 2017-09-11 12:09:46 (8 years ago) |
| Latest Published: | 2021-04-18 20:35:16 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-04-18 20:35:16 (5 years ago) |
Overview
| Signed By: | BEIJING QIYI CENTURY SCIENCE@amp;TECHNOLOGY CO.,LTD. |
| Status: | Valid |
The signature on QuiLib.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\lstyle |
| %programfiles%\iqiyi video |
ThreatInfo has observed QuiLib.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 QuiLib.dll across 2 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 60.0% 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 QuiLib.dll is Windows 10 with 60.0% 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
QuiLib.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.
64663c10a0cf01092c29ff43ce78fa08
02e731460b024263633d13a536e8bccd
e0abf9fa1b6b18dcbceb5f1f823f78eb
e7c86f9edc8333eec3e55fcc0dd40788
f0134939dbe496a6d046dad34fe378aa
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.