GridinSoft Threat Intelligence

WebCompanionExtensionIE.dll file report

Under review File reputation report
MD5 f4b778a60838bbb1fc80721b704fd214
Latest seen 2021-10-23 20:04:37 (4 years ago)
First seen 2020-05-07 15:21:34 (6 years ago)
Size 1 MB
Publisher Lavasoft LLC
Product Web Companion
Signed by Lavasoft Limited

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-05-07 15:21:34 (6 years ago); latest analysis 2021-10-23 20:04:37 (4 years ago).

Publisher context

Company metadata: Lavasoft LLC. Product metadata: Web Companion.

Digital signature

Signed by Lavasoft 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.

WebCompanionExtensionIE.dll is a Windows file recorded in the ThreatInfo database. It is associated with Web Companion. The reported company name is Lavasoft LLC. The current detection status is Undefined, based on the latest analysis from 2021-10-23 20:04:37 (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: Web Companion
Company Name: Lavasoft LLC
MD5: f4b778a60838bbb1fc80721b704fd214
Size: 1 MB
First Published: 2020-05-07 15:21:34 (6 years ago)
Latest Published: 2021-10-23 20:04:37 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-10-23 20:04:37 (4 years ago)
Signed By: Lavasoft Limited
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.

%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.

Windows 10 100.0%

The most common operating system signal for WebCompanionExtensionIE.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.

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 0x0008de24
Image base 0x10000000

PE Sections:

Sections 8
Raw data 1549824

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 1221120 bytes · 78.8% of section data
MD5 4a19367d240e4e96f4b11d12c7625316
.rdata 242688 bytes · 15.7% of section data
MD5 c39b248c2cfb523bd58cb402c4bd96d0
.data 20992 bytes · 1.4% of section data
MD5 baceab7b201de06d5acc0250ff373079
.idata 5632 bytes · 0.4% of section data
MD5 f7a59c66ad4a896f787d37a2830ae22d
.tls 1024 bytes · 0.1% of section data
MD5 0f343b0931126a20f133d67c2b018a3b
.rsrc 6656 bytes · 0.4% of section data
MD5 04a7a70e62425169286d600c4a6a7ca6
.reloc 51712 bytes · 3.3% of section data
MD5 820fce677fa95d512ee3175541d7472b

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 f4b778a60838bbb1fc80721b704fd214.
  • 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.