GridinSoft Threat Intelligence
yunshellext.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 2017-05-28 02:05:35 (9 years ago); latest analysis 2021-11-11 21:41:34 (4 years ago).
Product metadata: BaiduYunGuanjia Application.
Signed by BeiJing Baidu Netcom Science 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
yunshellext.dll is a Windows file recorded in the ThreatInfo database. It is associated with BaiduYunGuanjia Application. The current detection status is Undefined, based on the latest analysis from 2021-11-11 21:41:34 (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: | BaiduYunGuanjia Application |
| MD5: | ff44b04b2967bf52c19b58e61a930fba |
| Size: | 206 KB |
| First Published: | 2017-05-28 02:05:35 (9 years ago) |
| Latest Published: | 2021-11-11 21:41:34 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-11-11 21:41:34 (4 years ago) |
Overview
| Signed By: | BeiJing Baidu Netcom Science Technology Co., Ltd |
| Status: | Valid |
The signature on yunshellext.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\baiduyunguanjia |
| %profile%\downloads\百度云管家5.4.5.zip\百度云终极破解版\baiduyunguanjia-jienan52 |
| %programfiles%\baiduyunguanjia |
| %profile%\downloads\baiduyunguanjiasvippj_jb51\baiduyunguanjiasvippj\baiduyunguanjia |
| %sysdrive%\迅雷9免安装绿色vip年费\baiduyunzjpjb.zip\百度云终极破解版 |
| %sysdrive%\小u盘软件 |
| %appdata%\baidu |
| %sysdrive%\baiduyunguanjia\autoupdate\download\mainapp |
| %desktop%\百度云终极破解版 |
| %programfiles%\百度云终极破解版 |
ThreatInfo has observed yunshellext.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 yunshellext.dll across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Hong Kong with 34.2% 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 yunshellext.dll is Windows 10 with 52.6% 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
yunshellext.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.
48f5723dfc3326fe19d4e127fb192cb9
193a68cf7f569a7632135f8201762b82
b6a9981bf687d0089c2240b27ac92967
f507ebfa082ebb69092c3549e4da7f5c
85052361341d2339e9cb30d43219ef83
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.