WebCompanionInstaller.exe file report

MD5 df56d7bca2600ae5b9926c07e807036c
Latest seen 2023-04-27 23:20:38 (3 years ago)
First seen 2017-05-21 17:07:00 (8 years ago)
Size 287 KB
Signed by Lavasoft Limited

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 17:07:00 (8 years ago); latest analysis 2023-04-27 23:20:38 (3 years ago).

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.

WebCompanionInstaller.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2023-04-27 23:20:38 (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.

MD5: df56d7bca2600ae5b9926c07e807036c
Size: 287 KB
First Published: 2017-05-21 17:07:00 (8 years ago)
Latest Published: 2023-04-27 23:20:38 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-04-27 23:20:38 (3 years ago)
Signed By: Lavasoft Limited
Status: Valid

The signature on WebCompanionInstaller.exe 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\application
%profile%\oki\local settings\temp\webcompanion.zip\application
%programfiles%\lavasoft\web companion
%sysdrive%\adwcleaner\quarantine\xrpmcarcr4
%temp%\webcompanion.zip
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion

ThreatInfo has observed WebCompanionInstaller.exe 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.

15.8%
15.8%
10.5%
10.5%
5.3%
5.3%
5.3%
5.3%
5.3%
5.3%
5.3%
5.3%
5.3%

The strongest geographic signal for this file is Indonesia with 15.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 42.9%
Windows 7 28.6%
Windows 8.1 19.0%
Windows 8 4.8%
Windows XP 4.8%

The most common operating system signal for WebCompanionInstaller.exe is Windows 10 with 42.9% 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.

WebCompanionInstaller.exe is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x0004246e

.NET Info:

MVID: a1c3f284-a57b-46d3-8714-464a477502d7

PE Sections:

Name Size of data MD5
.text 263680 6824b42bbea2b79fc5434f6fa635b5cf
.rsrc 26624 81e7b125ab7bd680d701a003c7a7c241
.reloc 512 366a2843ad52a9808f567e2114bfb11e

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.

More information: