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webcompanioninstaller.exe

Web Companion Installer

Lavasoft

The application webcompanioninstaller.exe has been detected as a potentially unwanted program by 2 anti-malware scanners. This is a self-extracting archive and installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from downloads11.lavasoft.com.
Publisher:
Lavasoft

Product:
Web Companion Installer

Version:
1.1.922.1860

MD5:
a9d8d31ba5786a5861696f4d43d86ae1

SHA-1:
82ed8ceabf7c5af2ba8e4a7728f1133e7468f82b

SHA-256:
57ffc2ac755a063c1e854b9c5781a0ef5bf78af937d156a3c24746b99f5667e1

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/20/2024 2:04:07 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.DownLoader12.46457
9.0.1.05190

Reason Heuristics
PUP.WebCompanion.Installer (M)
16.3.15.21

File size:
7.4 MB (7,779,328 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\webcompanioninstaller.exe

File PE Metadata
Compilation timestamp:
3/12/2015 11:56:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:TwTw/uhboB0cCtoukYLg9HtfLPh5q9LS1dV1eShfv7j6JJe:zuhboW/ouQ9Ht76JS3V1eSJ7k0

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:
7.3861

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$params=http://webcompanion.com/update?source=inappupdate&mvt-inter=CMP_howtoremove&campaign=dummyCampaign&homepage=1&search=1&restore-homepage=0&restore-search=0$dwld=http://downloads11.lavasoft.com/.../download.asp

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