GridinSoft Threat Intelligence

WebCompanionExtensionIE.dll file report

Under review File reputation report
MD5 5ca90b84d91a44f21481f1c5f7e0586e
Latest seen 2025-02-25 23:01:07 (a year ago)
First seen 2020-01-27 06:53:04 (6 years ago)
Size 2 MB
Publisher
Product
Signed by LAVASOFT SOFTWARE CANADA INC

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-01-27 06:53:04 (6 years ago); latest analysis 2025-02-25 23:01:07 (a year ago).

Publisher context

Company metadata: . Product metadata: .

Digital signature

Signed by LAVASOFT SOFTWARE CANADA INC. 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

WebCompanionExtensionIE.dll is a Windows file recorded in the ThreatInfo database. It is associated with . The reported company name is . The current detection status is Undefined, based on the latest analysis from 2025-02-25 23:01:07 (a year 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:
Company Name:
MD5: 5ca90b84d91a44f21481f1c5f7e0586e
Size: 2 MB
First Published: 2020-01-27 06:53:04 (6 years ago)
Latest Published: 2025-02-25 23:01:07 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-25 23:01:07 (a year ago)

Overview

Signed By: LAVASOFT SOFTWARE CANADA INC
Status: Valid

The signature on WebCompanionExtensionIE.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%\lavasoft\web companion
%temp%\webcompanion.zip
%windir%\temp\webcompanion.zip
%sysdrive%\$recycle.bin\s-1-5-21-1714750698-2888929742-1395458019-1000\$r0srnjn.zip
%sysdrive%\local disk e\windows.old\program files (x86)\lavasoft\web companion
%programfiles%\~lavasoft\web companion

ThreatInfo has observed WebCompanionExtensionIE.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 WebCompanionExtensionIE.dll across 69 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country India
Share 10.1%
Low High activity

The strongest geographic signal for this file is India with 10.1% 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 79.6%
Windows 7 17.1%
Windows 8.1 2.0%
Windows 8 1.2%

The most common operating system signal for WebCompanionExtensionIE.dll is Windows 10 with 79.6% 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

WebCompanionExtensionIE.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 0x000c5013
Image base 0x10000000

PE Sections:

Sections 8
Raw data 2129920

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

.textbss 0 bytes · 0.0% of section data
Uncommon name
MD5 00000000000000000000000000000000
.text 1697792 bytes · 79.7% of section data
MD5 d4f1953086ad60250bee2627d53db1af
.rdata 302592 bytes · 14.2% of section data
MD5 91586369575396595399d13b43a1a4f8
.data 26624 bytes · 1.3% of section data
MD5 42f5f4d250906848221aba2904780aa2
.idata 5632 bytes · 0.3% of section data
MD5 72a037dc1b6d34e64e3fc47a02564e33
.tls 1024 bytes · 0.0% of section data
MD5 0f343b0931126a20f133d67c2b018a3b
.rsrc 28160 bytes · 1.3% of section data
MD5 60d7657da0f9e06d432af55acf74db52
.reloc 68096 bytes · 3.2% of section data
MD5 afdaeef8a64521f32143a1e93a51e6b7

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 5ca90b84d91a44f21481f1c5f7e0586e.
  • 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.