GridinSoft Threat Intelligence

YunSub.dll file report

Under review File reputation report
MD5 eb5ae1bb490dd63db4314e84f3613ec8
Latest seen 2021-11-11 21:46:00 (4 years ago)
First seen 2017-05-25 03:06:39 (9 years ago)
Size 628 KB
Publisher Baidu.com, Inc.

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 03:06:39 (9 years ago); latest analysis 2021-11-11 21:46:00 (4 years ago).

Publisher context

Company metadata: Baidu.com, Inc.. Product metadata: BaiduNetdisk 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.

YunSub.dll is a Windows file recorded in the ThreatInfo database. It is associated with BaiduNetdisk Application. The reported company name is Baidu.com, Inc.. The current detection status is Undefined, based on the latest analysis from 2021-11-11 21:46:00 (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: BaiduNetdisk Application
Company Name: Baidu.com, Inc.
MD5: eb5ae1bb490dd63db4314e84f3613ec8
Size: 628 KB
First Published: 2017-05-25 03:06:39 (9 years ago)
Latest Published: 2021-11-11 21:46:00 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-11-11 21:46:00 (4 years ago)

The signature on YunSub.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
%sysdrive%\downloads\百度云
%appdata%\baidu
%appdata%\baidu\baiduyunguanjia\autoupdate\download\mainapp

ThreatInfo has observed YunSub.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 54.5%
Windows 7 45.5%

The most common operating system signal for YunSub.dll is Windows 10 with 54.5% 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.

YunSub.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00025671
Image base 0x10000000

PE Sections:

Sections 5
Raw data 635904

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

.text 397824 bytes · 62.6% of section data
MD5 13455a1c65cd7a70560fceb4888fad1d
.rdata 98304 bytes · 15.5% of section data
MD5 7c4f12a6271cf1c94ac6770a5c783532
.data 21504 bytes · 3.4% of section data
MD5 67f35561bca42f69a8a03a63b6a74426
.rsrc 83968 bytes · 13.2% of section data
MD5 bebd652311a42b9291fbad5c06f396cd
.reloc 34304 bytes · 5.4% of section data
MD5 79fc488c1480e78ff8c6e415e705aa2d

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 eb5ae1bb490dd63db4314e84f3613ec8.
  • 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.