GridinSoft Threat Intelligence

QBSafe.dll file report

Under review File reputation report
MD5 a7d66f3a84263ba2192e864cab6999b0
Latest seen 2021-10-12 20:30:30 (4 years ago)
First seen 2021-10-12 20:30:30 (4 years ago)
Size 380 KB
Publisher Tencent Inc.
Product QQ浏览器

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-10-12 20:30:30 (4 years ago); latest analysis 2021-10-12 20:30:30 (4 years ago).

Publisher context

Company metadata: Tencent Inc.. Product metadata: QQ浏览器.

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.

QBSafe.dll is a Windows file recorded in the ThreatInfo database. It is associated with QQ浏览器. The reported company name is Tencent Inc.. The current detection status is Undefined, based on the latest analysis from 2021-10-12 20:30:30 (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: QQ浏览器
Company Name: Tencent Inc.
MD5: a7d66f3a84263ba2192e864cab6999b0
Size: 380 KB
First Published: 2021-10-12 20:30:30 (4 years ago)
Latest Published: 2021-10-12 20:30:30 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-10-12 20:30:30 (4 years ago)

The signature on QBSafe.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.

%localappdata%\tencent\qqbrowser\user data\moduledll\{0508df1f-2ab6-4fac-a99e-45bbbf24e1e6}

ThreatInfo has observed QBSafe.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 10 100.0%

The most common operating system signal for QBSafe.dll is Windows 10 with 100.0% 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.

QBSafe.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 0x0001e684
Image base 0x61bc0000

PE Sections:

Sections 6
Raw data 372224

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

.text 237056 bytes · 63.7% of section data
MD5 430786e1c5862df4d139e5a4e7ee6e79
.rdata 103424 bytes · 27.8% of section data
MD5 b4cc8a3914eef2a6eefd807e3c718aaf
.data 13312 bytes · 3.6% of section data
MD5 9c33a91e96b43438342a715658c7a35c
.shared 512 bytes · 0.1% of section data
Uncommon name
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 1536 bytes · 0.4% of section data
MD5 1896c57a158214589c1549d3ce436ee3
.reloc 16384 bytes · 4.4% of section data
MD5 052e158ac3aa043cd2da1f3c14c15e7f

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 a7d66f3a84263ba2192e864cab6999b0.
  • 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.