GridinSoft Threat Intelligence

pthreadVC2.dll file report

Under review File reputation report
MD5 f4a8ea34536bc4813ac7e1d0bd9f86fe
Latest seen 2022-08-06 23:57:25 (3 years ago)
First seen 2021-09-07 20:47:43 (4 years ago)
Size 328 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-09-07 20:47:43 (4 years ago); latest analysis 2022-08-06 23:57:25 (3 years ago).

Publisher context

Company metadata: Open Source Software community LGPL. Product metadata: POSIX Threads for Windows LPGL.

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.

pthreadVC2.dll is a Windows file recorded in the ThreatInfo database. It is associated with POSIX Threads for Windows LPGL. The reported company name is Open Source Software community LGPL. The current detection status is Undefined, based on the latest analysis from 2022-08-06 23:57:25 (3 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: POSIX Threads for Windows LPGL
Company Name: Open Source Software community LGPL
MD5: f4a8ea34536bc4813ac7e1d0bd9f86fe
Size: 328 KB
First Published: 2021-09-07 20:47:43 (4 years ago)
Latest Published: 2022-08-06 23:57:25 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-08-06 23:57:25 (3 years ago)

The signature on pthreadVC2.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%\tencent\wechat\xplugin\plugins\thumbplayer\3132
%appdata%\tencent\wechat\xplugin\plugins\thumbplayer\3142
%appdata%\tencent\wechat\xplugin\plugins\thumbplayer\3022
%appdata%\tencent\wechat\xplugin\plugins\thumbplayer\3014

ThreatInfo has observed pthreadVC2.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 87.5%
Windows 8.1 12.5%

The most common operating system signal for pthreadVC2.dll is Windows 10 with 87.5% 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.

pthreadVC2.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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x000069ad
Image base 0x10000000

PE Sections:

Sections 5
Raw data 321536

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

.text 267776 bytes · 83.3% of section data
MD5 7ad9fb855c5e5e03835d352b502c7529
.rdata 39936 bytes · 12.4% of section data
MD5 19c728d5de124413e3fa9e4fa6af3a9d
.data 2560 bytes · 0.8% of section data
MD5 6a57afbec3a3af9bdecad5e498e891b6
.rsrc 1536 bytes · 0.5% of section data
MD5 4a8c00fa9ec0678b3adcb58f999504d4
.reloc 9728 bytes · 3.0% of section data
MD5 043ef3baa9f503d1fb950dc3d4b4d92c

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 f4a8ea34536bc4813ac7e1d0bd9f86fe.
  • 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.