GridinSoft Threat Intelligence
qbcore.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 06:06:41 (9 years ago); latest analysis 2021-07-01 20:15:56 (4 years ago).
Product metadata: QQBrowser Desktop Service.
Signed by Tencent Technology(Shenzhen) Company Limited. 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
qbcore.dll is a Windows file recorded in the ThreatInfo database. It is associated with QQBrowser Desktop Service. The current detection status is Undefined, based on the latest analysis from 2021-07-01 20:15:56 (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: | QQBrowser Desktop Service |
| MD5: | 5c6e7d6cc03598c78d727b42e34ae231 |
| Size: | 39 MB |
| First Published: | 2017-05-21 06:06:41 (9 years ago) |
| Latest Published: | 2021-07-01 20:15:56 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-07-01 20:15:56 (4 years ago) |
Overview
| Signed By: | Tencent Technology(Shenzhen) Company Limited |
| Status: | Valid |
The signature on qbcore.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:
| %programfiles%\tencent\wechat |
| %sysdrive%\adwcleaner\quarantine\files\hocbtswnfldxpyedvaorkqqyqrntepxh\wechat |
| %profile%\downloads\wechat |
| %sysdrive%\adwcleaner\quarantine\files\kujrccnktmnkqusigaklmurdsqnlyocb\wechat |
| %sysdrive%\adwcleaner\quarantine\files\klxtqfxdhdutkmayytvygyyofvjoynzv\wechat |
| %programfiles%\tencent |
| %sysdrive%\adwcleaner\quarantine\fraqbc8wsa |
| %sysdrive%\微信 |
| %sysdrive% |
ThreatInfo has observed qbcore.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 qbcore.dll across 17 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 53.2% 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 qbcore.dll is Windows 10 with 49.5% 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.
Analysis
qbcore.dll is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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.
582933e53c62fd482cfa7ef2e59609c0
a19634d005552d463f39299367bc02f1
68c722ad2d4cf8947f7bf5eb41bb1b74
bf619eac0cdf3f68d496ea9344137e8b
c7d7891ab2d634e3579024be1fbe5121
801e54c43c3ca62323948890228db344
d2d3d87a462bb4d31d37d8db8c0b3ae8
df3366cb1a6bcb080422a67f9119bf3c
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.