qybase.dll file report

MD5 a7ccb9cf24f266c226533b2c4997e34c
Latest seen 2025-01-03 23:02:24 (a year ago)
First seen 2025-01-03 23:02:24 (a year ago)
Size 355 KB
Publisher 爱奇艺

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-01-03 23:02:24 (a year ago); latest analysis 2025-01-03 23:02:24 (a year ago).

Publisher context

Company metadata: 爱奇艺. Product metadata: 爱奇艺基础类库.

Digital signature

Signed by BeiJing IQIYI Science & Techonology Co.,Ltd. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

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 2025-01-03 23:02:24 (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.

Product Name: 爱奇艺基础类库
Company Name: 爱奇艺
MD5: a7ccb9cf24f266c226533b2c4997e34c
Size: 355 KB
First Published: 2025-01-03 23:02:24 (a year ago)
Latest Published: 2025-01-03 23:02:24 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-01-03 23:02:24 (a year ago)

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.

%programfiles%\iqiyi video\lstyle\12.12.0.8857\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.

100.0%

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.

Windows 10 100.0%

The most common operating system signal for qybase.dll is Windows 10 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.

qybase.dll is identified as pe for 64 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000180000000
Entry Address: 0x00034514

PE Sections:

Name Size of data MD5
.text 224256 84dfac028813c21d42da2e057efdade0
.rdata 105984 8bee3595006207f126df68d84e80ccd2
.data 5632 d839f7f39f45f2f90b2096e6214d0342
.pdata 13824 55fc0d16a1a2ce246376c5dccd97c718
.rsrc 1536 84d09103266293f040a6de4bbc5a523d
.reloc 1024 aaf186bc7544a242b956e8ed2d6aba10

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.

More information: