GridinSoft Threat Intelligence
update.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 2017-06-08 06:03:50 (8 years ago); latest analysis 2022-10-18 23:26:49 (3 years ago).
Company metadata: Baidu Inc.. Product metadata: PC App Store.
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
update.dll is a Windows file recorded in the ThreatInfo database. It is associated with PC App Store. The reported company name is Baidu Inc.. The current detection status is Undefined, based on the latest analysis from 2022-10-18 23:26:49 (3 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: | PC App Store |
| Company Name: | Baidu Inc. |
| MD5: | ec4e24770a8ca36505a2c82ef12ac2eb |
| Size: | 525 KB |
| First Published: | 2017-06-08 06:03:50 (8 years ago) |
| Latest Published: | 2022-10-18 23:26:49 (3 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-10-18 23:26:49 (3 years ago) |
Overview
| Signed By: | Baidu Online Network Technology (Beijing)Co., Ltd |
| Status: | Valid |
The signature on update.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%\pc app store\5.0.1.8682 |
| %programfiles%\pc app store |
| %sysdrive%\sheshant-pc\backup set 2020-03-25 072519\backup files 2020-03-25 072519\c\program files\pc app store |
ThreatInfo has observed update.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 update.dll across 19 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Thailand with 32.8% 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 update.dll is Windows 10 with 49.3% 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
update.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.
a9473ee224a963d82ec8eb07c2cb4731
cc977f4e441d59a68b7b72ffd5567a10
add7bfb47cb27d1e3f437049dffc6717
1f03d927be3807e005a2c3b9b2e0341e
52f9e32ed2adee89ac4bf00a6810feab
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.