WcInstaller.exe file report

MD5 8b8ac352cb6d07b94b58c29352799059
Latest seen 2021-01-11 15:36:56 (5 years ago)
First seen 2021-01-11 15:36:56 (5 years ago)
Size 502 KB
Publisher Lavasoft

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-01-11 15:36:56 (5 years ago); latest analysis 2021-01-11 15:36:56 (5 years ago).

Publisher context

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

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.

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 2021-01-11 15:36:56 (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.

Product Name: Web Companion Installer
Company Name: Lavasoft
MD5: 8b8ac352cb6d07b94b58c29352799059
Size: 502 KB
First Published: 2021-01-11 15:36:56 (5 years ago)
Latest Published: 2021-01-11 15:36:56 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-11 15:36:56 (5 years ago)
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.

%commonappdata%\iobit\smart defrag\downloader

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.

100.0%

The strongest geographic signal for this file is United States with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 7 100.0%

The most common operating system signal for WcInstaller.exe is Windows 7 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.

WcInstaller.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: 0x00014b04

PE Sections:

Name Size of data MD5
.text 104960 8c9346b8cd91e8d7aa2e1586eb1a1b30
.rdata 17920 5e256dc61db6deff01801e77de19d038
.data 12800 1d347e5500f0d4c5672ba18282b866f7
.sxdata 512 35925cfdc1176bd9ffc634a58b40ec17
.rsrc 27648 d1bf7006e6a689ddff5a150825f05a96

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: