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webcompanioninstaller.exe

Web Companion Installer

Lavasoft Limited

The application webcompanioninstaller.exe by Lavasoft Limited has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from downloads11.lavasoft.com.
Publisher:
Lavasoft  (signed by Lavasoft Limited)

Product:
Web Companion Installer

Version:
1.1.922.1860

MD5:
8a7f68eca9c189e8208eb646500629cf

SHA-1:
3e6492b2a53f49c04681c2668d2465d6f11e2f31

SHA-256:
19db4fb3b24f246db7550dcf5d76ce151e0f7e35823998506ca4255a5738864d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 7:15:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebCompanion
16.7.25.13

File size:
7.4 MB (7,782,704 bytes)

Product version:
1.1.922.1860

Copyright:
c Lavasoft Limited. All Rights Reserved.

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\archive\webcompanioninstaller.exe

Digital Signature
Signed by:
Lavasoft Limited

Authority:
Symantec Corporation

Valid from:
2/19/2015 4:00:00 PM

Valid to:
3/14/2017 4:59:59 PM

Subject:
CN=Lavasoft Limited, O=Lavasoft Limited, L=Sliema, S=Malta, C=MT

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
35F57ADDEF0015E6FEBE6AE2710D4873

File PE Metadata
Compilation timestamp:
3/12/2015 8:56:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:nwTw/uhboB0cCtoukYLg9HtfLPh5V9LS1dV1eShfv7j6JAe0:HuhboW/ouQ9Ht7FJS3V1eSJ7k50

Entry address:
0x1CA43C

Entry point:
E8, 41, FC, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, FF, 75, 10, 6A, 00, FF, 75, 0C, FF, 75, 08, E8, 05, 00, 00, 00, 83, C4, 10, 5D, C3, 55, 8B, EC, 83, EC, 20, 53, 57, 33, DB, 8D, 7D, E4, 6A, 07, 33, C0, 89, 5D, E0, 59, F3, AB, 39, 45, 0C, 75, 15, E8, 33, 1C, 00, 00, C7, 00, 16, 00, 00, 00, E8, 22, B1, 00, 00, 83, C8, FF, EB, 6D, 8B, 45, 08, 85, C0, 74, E4, 56, FF, 75, 14, 89, 45, E8, FF, 75, 10, 89, 45, E0, 8D, 45, E0, FF, 75, 0C, C7, 45, EC, 42, 00, 00, 00, 50, C7, 45, E4, FF, FF, FF, 7F, E8, 0B, FD, 00...
 
[+]

Entropy:
7.3864

Code size:
2.7 MB (2,793,984 bytes)

The file webcompanioninstaller.exe has been seen being distributed by the following URL.

http://downloads11.lavasoft.com/.../download.ashx?productcode=wc$params=http://webcompanion.com/update?source=inappupdate&mvt-inter=website&campaign=homepage&homepage=11&search=7&restore-homepage=0&restore-search=0$dwld=http://downloads11.lavasoft.com/.../download.asp

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