GridinSoft Threat Intelligence
yunshellext64.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 2017-05-25 03:06:35 (9 years ago); latest analysis 2021-11-11 21:58:37 (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
yunshellext64.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 21:58:37 (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: | 9c7157b80af2d3f2292e281c7ecdc1a6 |
| Size: | 243 KB |
| First Published: | 2017-05-25 03:06:35 (9 years ago) |
| Latest Published: | 2021-11-11 21:58:37 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-11-11 21:58:37 (4 years ago) |
Overview
| Signed By: | BeiJing Baidu Netcom Science Technology Co., Ltd |
| Status: | Valid |
The signature on yunshellext64.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\baidunetdisk |
| %appdata%\baidu\baiduyunguanjia |
| %appdata%\baidu\baiduyunguanjia\autoupdate\download\mainapp |
| %sysdrive%\badiuyun |
| %sysdrive%\downloads\百度云 |
| %appdata%\baidu |
ThreatInfo has observed yunshellext64.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 yunshellext64.dll across 5 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 56.3% 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 yunshellext64.dll is Windows 10 with 50.0% 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
yunshellext64.dll is identified as pe for 64-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.
b916523ad0ba7d012a549b713f84f399
80dbeb932fd6df0d0d9e22c9cb2e3f86
3e8f24bf2748979aef475981b1d823ae
7f0d916b26e77b2a0948d8f29dd1bae6
77c19df06f051465b7b48f65b54deb17
0945278ae3e722b82e69a84b4059aa74
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.