GridinSoft Threat Intelligence
qybase.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-04-12 23:01:45 (a year ago); latest analysis 2025-04-12 23:01:48 (a year ago).
Signed by BeiJing IQIYI Science & Techonology 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
qybase.dll is a Windows file recorded in the ThreatInfo database. It is associated with 爱奇艺基础类库. The reported company name is 爱奇艺. The current detection status is Undefined, based on the latest analysis from 2025-04-12 23:01:48 (a year 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: | 爱奇艺基础类库 |
| Company Name: | 爱奇艺 |
| MD5: | 841add069af0d36ded500026ffd974e0 |
| Size: | 317 KB |
| First Published: | 2025-04-12 23:01:45 (a year ago) |
| Latest Published: | 2025-04-12 23:01:48 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-04-12 23:01:48 (a year ago) |
Overview
| Signed By: | BeiJing IQIYI Science & Techonology Co.,Ltd |
| Status: | Valid |
The signature on qybase.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\13.3.5.9162\qyappplugin |
ThreatInfo has observed qybase.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 qybase.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 China 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 qybase.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
qybase.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.
8f92f1ade6433aae57ebd38baf13f640
f8923148ef1ee11361a20bdf4b98d71a
fc9dae569110b9a8efb9c496594a596e
72213b7ac68778ab22b3a588d0a7c204
334dc6f5178053a5538cc576165c45df
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.