GridinSoft Threat Intelligence

qbclient.dll file report

Under review File reputation report
MD5 7708c1d43b1a102390de71d7de86ba5c
Latest seen 2021-09-21 20:35:06 (4 years ago)
First seen 2017-09-14 05:10:22 (8 years ago)
Size 394 KB
Publisher Tencent Inc.
Product 腾讯浏览服务组件
Signed by Tencent Technology(Shenzhen) Company Limited

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-09-14 05:10:22 (8 years ago); latest analysis 2021-09-21 20:35:06 (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.

File context

qbclient.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 2021-09-21 20:35:06 (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.

File Details

Product Name: 腾讯浏览服务组件
Company Name: Tencent Inc.
MD5: 7708c1d43b1a102390de71d7de86ba5c
Size: 394 KB
First Published: 2017-09-14 05:10:22 (8 years ago)
Latest Published: 2021-09-21 20:35:06 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-09-21 20:35:06 (4 years ago)

Overview

Signed By: Tencent Technology(Shenzhen) Company Limited
Status: Valid

The signature on qbclient.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:

%sysdrive%\地下城与勇士\start\cross\apps\dnfad
%programfiles%\tencent\qqpcmgr\12.10.19263.223\plugins\tbscomponenthelper
%programfiles%\腾讯游戏\地下城与勇士\start\cross\apps\dnfad
%programfiles%\tencent\qqpcmgr\12.15.19627.208
%programfiles%\tencent\qqpcmgr\13.0.19735.301
%programfiles%\tencent\qqpcmgr\13.0.19760.204
%programfiles%\tencent\qqpcmgr\13.0.19763.206
%programfiles%\tencent\qqpcmgr\13.0.19771.209
%programfiles%\tencent\qqpcmgr\13.0.19773.211
%programfiles%\tencent\qqpcmgr\12.15.19634.211

ThreatInfo has observed qbclient.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 qbclient.dll across 13 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 34.2%
Low High activity

The strongest geographic signal for this file is China 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:

Windows 10 84.8%
Windows 7 8.9%
Windows Server 2012 R2 5.1%
Windows Server 2008 R2 1.3%

The most common operating system signal for qbclient.dll is Windows 10 with 84.8% 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

qbclient.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 0x0002a703
Image base 0x10000000

PE Sections:

Sections 7
Raw data 389632

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

.text 286208 bytes · 73.5% of section data
MD5 163c7efa1013b868da82e36452174538
.rdata 71680 bytes · 18.4% of section data
MD5 6fa2198d4f309148df311188fd87abd2
.data 10752 bytes · 2.8% of section data
MD5 cb4bdcc9206616557b90d37e0b282932
.shared_ 2048 bytes · 0.5% of section data
Uncommon name
MD5 c99a74c555371a433d121f551d6c6398
.shared 512 bytes · 0.1% of section data
Uncommon name
MD5 fcdff15c3fc5a094c8369b47ffa1e660
.rsrc 1536 bytes · 0.4% of section data
MD5 20446f76e0c74d0794c9aa1bce9b3e9b
.reloc 16896 bytes · 4.3% of section data
MD5 ddd847db966fa725da58edd565e8b89c

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 7708c1d43b1a102390de71d7de86ba5c.
  • 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.