GridinSoft Threat Intelligence
WcInstaller.exe file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2021-01-12 17:25:01 (5 years ago); latest analysis 2021-10-02 20:53:22 (4 years ago).
Company metadata: Lavasoft. Product metadata: Web Companion Installer.
Signed by LAVASOFT SOFTWARE CANADA INC. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
WcInstaller.exe is a Windows file recorded in the ThreatInfo database. It is associated with Web Companion Installer. The reported company name is Lavasoft. The current detection status is Undefined, based on the latest analysis from 2021-10-02 20:53:22 (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.
File Details
| Product Name: | Web Companion Installer |
| Company Name: | Lavasoft |
| MD5: | 3854130f30e034859f2a70d025b70970 |
| Size: | 500 KB |
| First Published: | 2021-01-12 17:25:01 (5 years ago) |
| Latest Published: | 2021-10-02 20:53:22 (4 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-10-02 20:53:22 (4 years ago) |
Overview
| Signed By: | LAVASOFT SOFTWARE CANADA INC |
| Status: | Valid |
The signature on WcInstaller.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.
Common Places:
| %windir%\temp |
ThreatInfo has observed WcInstaller.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.
Geographic signal
Observed country distribution
ThreatInfo has seen WcInstaller.exe across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Indonesia with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for WcInstaller.exe is Windows 7 with 83.3% 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
WcInstaller.exe 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
8c9346b8cd91e8d7aa2e1586eb1a1b30
5e256dc61db6deff01801e77de19d038
1d347e5500f0d4c5672ba18282b866f7
35925cfdc1176bd9ffc634a58b40ec17
34564dcb8a97bf06fc8baec3fb945eab
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.