GridinSoft Threat Intelligence

QbBridge.dll file report

Under review File reputation report
MD5 cb03afdfb9bdc212f6e00d9c502d0a1e
Latest seen 2021-08-12 20:27:59 (4 years ago)
First seen 2017-09-17 03:11:42 (8 years ago)
Size 395 KB
Publisher Tencent Inc.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-09-17 03:11:42 (8 years ago); latest analysis 2021-08-12 20:27:59 (4 years ago).

Publisher context

Company metadata: Tencent Inc.. Product metadata: 腾讯浏览服务组件.

Digital signature

Signed by Tencent Technology(Shenzhen) Company Limited. 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.

QbBridge.dll is a Windows file recorded in the ThreatInfo database. It is associated with 腾讯浏览服务组件. The reported company name is Tencent Inc.. The current detection status is Undefined, based on the latest analysis from 2021-08-12 20:27:59 (4 years ago).

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: 腾讯浏览服务组件
Company Name: Tencent Inc.
MD5: cb03afdfb9bdc212f6e00d9c502d0a1e
Size: 395 KB
First Published: 2017-09-17 03:11:42 (8 years ago)
Latest Published: 2021-08-12 20:27:59 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-08-12 20:27:59 (4 years ago)

The signature on QbBridge.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.

%programfiles%\windowsapps\tencentwechatlimited.forwindows10_2.5.2.0_x86__sdtnhv12zgd7a\wechatstore
%programfiles%\tencent\wechat
%appdata%\tencent\wechat\patch
%sysdrive%\adwcleaner\quarantine\fraqbc8wsa\wechat
%sysdrive%\adwcleaner\quarantine\1xvpfvjcrg\wechat\patch
%programfiles%\tencent
%sysdrive%\adwcleaner\quarantine\bbsqwy6yhk
%programfiles%\windowsapps\tencentwechatlimited.forwindows10_2.5.2.0_x86__sdtnhv12zgd7a
%sysdrive%\adwcleaner\quarantine\fraqbc8wsa
%appdata%\tencent\wechat

ThreatInfo has observed QbBridge.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 69.5%
Windows 7 25.6%
Windows 8.1 3.8%
Windows 8 0.5%
Windows XP 0.3%
Windows Server 2012 R2 0.1%
Windows Server 2016 0.1%
Windows Server 2008 R2 0.1%

The most common operating system signal for QbBridge.dll is Windows 10 with 69.5% 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.

QbBridge.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 0x00017b4f
Image base 0x10000000

PE Sections:

Sections 5
Raw data 391168

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

.text 303616 bytes · 77.6% of section data
MD5 134ed07ee1f9b41fe5675440834de82f
.rdata 58880 bytes · 15.1% of section data
MD5 596fca81b7365963e402ccc5375828d0
.data 9728 bytes · 2.5% of section data
MD5 e73ac287a6cbf4db98cd7537f259d935
.rsrc 1536 bytes · 0.4% of section data
MD5 d415a98b41e80fd982eaf04eff792b8b
.reloc 17408 bytes · 4.5% of section data
MD5 63a1d87d5861aa3049f492e43d63c1fe

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 cb03afdfb9bdc212f6e00d9c502d0a1e.
  • 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.