GridinSoft Threat Intelligence

WeChatAppHost.dll file report

Under review File reputation report
MD5 62cf7d5733273ef5209f6063708b2dba
Latest seen 2021-01-14 12:10:41 (5 years ago)
First seen 2019-09-30 13:26:50 (6 years ago)
Size 1 MB
Publisher The Tencent Authors
Product Mini Programs
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 2019-09-30 13:26:50 (6 years ago); latest analysis 2021-01-14 12:10:41 (5 years ago).

Publisher context

Company metadata: The Tencent Authors. Product metadata: Mini Programs.

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

WeChatAppHost.dll is a Windows file recorded in the ThreatInfo database. It is associated with Mini Programs. The reported company name is The Tencent Authors. The current detection status is Undefined, based on the latest analysis from 2021-01-14 12:10:41 (5 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: Mini Programs
Company Name: The Tencent Authors
MD5: 62cf7d5733273ef5209f6063708b2dba
Size: 1 MB
First Published: 2019-09-30 13:26:50 (6 years ago)
Latest Published: 2021-01-14 12:10:41 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-14 12:10:41 (5 years ago)

Overview

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

The signature on WeChatAppHost.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

ThreatInfo has observed WeChatAppHost.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 WeChatAppHost.dll across 28 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Taiwan
Share 22.1%
Low High activity

The strongest geographic signal for this file is Taiwan with 22.1% 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 82.2%
Windows 7 14.4%
Windows 8.1 3.3%

The most common operating system signal for WeChatAppHost.dll is Windows 10 with 82.2% 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

WeChatAppHost.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 0x00094f82
Image base 0x10000000

PE Sections:

Sections 8
Raw data 1566208

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

.text 756224 bytes · 48.3% of section data
MD5 58631e420c60f8056ff4a8db7011d930
.rdata 99328 bytes · 6.3% of section data
MD5 85c5443d67cddca30ba76bf82cf7cb7a
.data 6656 bytes · 0.4% of section data
MD5 304eb39282bf763761c36a7eae1f6529
.gfids 1024 bytes · 0.1% of section data
Uncommon name
MD5 640cece2d1dc5cfe5e027eb117a9b0a9
.tls 512 bytes · 0.0% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.vmp0 678400 bytes · 43.3% of section data
Uncommon name
MD5 54d1bb3a0df581685030599b6f21daa4
.reloc 22528 bytes · 1.4% of section data
MD5 43350bc915cae5ce26293ed6743cb382
.rsrc 1536 bytes · 0.1% of section data
MD5 bf4a2e9002e12b502c379e8a7ab776a2

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 62cf7d5733273ef5209f6063708b2dba.
  • 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.