GridinSoft Threat Intelligence
DirectUI.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 2017-05-30 08:07:12 (8 years ago); latest analysis 2022-03-18 23:11:58 (4 years ago).
Company metadata: Baidu Inc.. Product metadata: Baidu PC Faster.
Signed by Baidu Online Network Technology (Beijing)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
DirectUI.dll is a Windows file recorded in the ThreatInfo database. It is associated with Baidu PC Faster. The reported company name is Baidu Inc.. The current detection status is Undefined, based on the latest analysis from 2022-03-18 23:11:58 (4 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: | Baidu PC Faster |
| Company Name: | Baidu Inc. |
| MD5: | 4bcd63714b42e207fe47ca2f787582a2 |
| Size: | 878 KB |
| First Published: | 2017-05-30 08:07:12 (8 years ago) |
| Latest Published: | 2022-03-18 23:11:58 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-03-18 23:11:58 (4 years ago) |
Overview
| Signed By: | Baidu Online Network Technology (Beijing)Co., Ltd |
| Status: | Valid |
The signature on DirectUI.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:
| %appdata%\baidu security\pc faster\4.0.0.0 |
| %appdata%\baidu security\pc faster\3.2.0.29 |
| %appdata%\baidu security\pc faster\3.7.0.0 |
ThreatInfo has observed DirectUI.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 DirectUI.dll across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 42.9% 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 DirectUI.dll is Windows 7 with 85.7% 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
DirectUI.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.
398a74ff521f4ee5615738138042b51e
e28a2e4561435dcca0757e0f25be2e69
9932c5023d453d4d3121b8cf402b7a16
28cf1e765409b946d1e875a59fb09279
31416f3a3c5e6b0d9ba034df2057c6ab
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.