GridinSoft Threat Intelligence

yunshellext64.dll file report

Under review File reputation report
MD5 9c7157b80af2d3f2292e281c7ecdc1a6
Latest seen 2021-11-11 21:58:37 (4 years ago)
First seen 2017-05-25 03:06:35 (9 years ago)
Size 243 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2017-05-25 03:06:35 (9 years ago); latest analysis 2021-11-11 21:58:37 (4 years ago).

Publisher context

Product metadata: BaiduYunGuanjia Application.

Digital signature

Signed by BeiJing Baidu Netcom Science Technology 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.

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.

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)

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.

%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.

Windows 10 50.0%
Windows 7 50.0%

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.

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.

Format pe
Architecture 64-bit
Subsystem Windows GUI
Entry point 0x00011498
Image base 0x0000000180000000

PE Sections:

Sections 6
Raw data 241664

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 150528 bytes · 62.3% of section data
MD5 b916523ad0ba7d012a549b713f84f399
.rdata 64000 bytes · 26.5% of section data
MD5 80dbeb932fd6df0d0d9e22c9cb2e3f86
.data 9728 bytes · 4.0% of section data
MD5 3e8f24bf2748979aef475981b1d823ae
.pdata 8192 bytes · 3.4% of section data
MD5 7f0d916b26e77b2a0948d8f29dd1bae6
.rsrc 6656 bytes · 2.8% of section data
MD5 77c19df06f051465b7b48f65b54deb17
.reloc 2560 bytes · 1.1% of section data
MD5 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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 9c7157b80af2d3f2292e281c7ecdc1a6.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual. Use the PUP category to compare similar reports.