GridinSoft Threat Intelligence

VoipEngine.dll.tmp1 file report

Under review File reputation report
MD5 8d86661f69493a051b14cf9af53db1cd
Latest seen 2021-01-03 10:19:50 (5 years ago)
First seen 2018-06-01 16:09:21 (7 years ago)
Size 2 MB
Publisher tencent
Product wechat
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 2018-06-01 16:09:21 (7 years ago); latest analysis 2021-01-03 10:19:50 (5 years ago).

Publisher context

Company metadata: tencent. Product metadata: wechat.

Digital signature

Signed by Tencent Technology(Shenzhen) Company Limited. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

VoipEngine.dll.tmp1 is a Windows file recorded in the ThreatInfo database. It is associated with wechat. The reported company name is tencent. The current detection status is Undefined, based on the latest analysis from 2021-01-03 10:19:50 (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: wechat
Company Name: tencent
MD5: 8d86661f69493a051b14cf9af53db1cd
Size: 2 MB
First Published: 2018-06-01 16:09:21 (7 years ago)
Latest Published: 2021-01-03 10:19:50 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-03 10:19:50 (5 years ago)

Overview

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

The signature on VoipEngine.dll.tmp1 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
%temp%
%sysdrive%
%appdata%\tencent\wechat
%programfiles%\windowsapps\tencentwechatlimited.forwindows10_2.6.3.0_x86__sdtnhv12zgd7a

ThreatInfo has observed VoipEngine.dll.tmp1 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.

File Names:

5 observed names
VoipEngine.dll VoipEngine.dll.DEL VoipEngine.dll_1528426104315 VoipEngine.dll.quarantined VoipEngine.dll.tmp1

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen VoipEngine.dll.tmp1 across 36 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Taiwan
Share 40.3%
Low High activity

The strongest geographic signal for this file is Taiwan with 40.3% 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 74.3%
Windows 7 20.7%
Windows 8.1 4.3%
Windows 8 0.3%
Windows XP 0.2%
Windows Server 2016 0.2%

The most common operating system signal for VoipEngine.dll.tmp1 is Windows 10 with 74.3% 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

VoipEngine.dll.tmp1 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 0x0008b02c
Image base 0x10000000

PE Sections:

Sections 9
Raw data 2507264

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

.text 1758720 bytes · 70.1% of section data
MD5 4a24f497e599593fd698f2ed9c0e86d3
.rdata 446976 bytes · 17.8% of section data
MD5 28a90e5911a0a0cfb5c5307b08a77363
.data 238080 bytes · 9.5% of section data
MD5 d2c123534b56b96817258ec43bd1c7bd
.gfids 512 bytes · 0.0% of section data
Uncommon name
MD5 3ffff40ee66f72a427e940e42fc2b0ab
.rodata 2560 bytes · 0.1% of section data
MD5 aeeff2fa4d8331c6bc909e74ee8a4f57
.tls 512 bytes · 0.0% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
_RDATA 2560 bytes · 0.1% of section data
Uncommon name
MD5 da55554d0f358304af75f0cd4b819799
.rsrc 1536 bytes · 0.1% of section data
MD5 4c4d9c3f88e9b0ac7bfda56ae03c3071
.reloc 55808 bytes · 2.2% of section data
MD5 382a5d869a2fbbfc58fb1541c1c0eeb9

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 8d86661f69493a051b14cf9af53db1cd.
  • 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.