setup.exe

Somoto Ltd.

Somoto uses a monetization platform known as the 'Better Installer' to provide the ability of 3rd party developers to bundle various adware packages through an affiliate pay-per-install program. The application setup.exe by Somoto has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for additional third party applications, mostly adware toolbars, with legitimate softare and may be installed without adequate user consent.
Publisher:
Somoto Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
3622dd0cd384d08187f18f3b7b865c3e

SHA-1:
c153b78f83e1ee14388193bfc2fd54f09e7118d9

SHA-256:
4cefa3ae683098dae7b27bc0bec2c7a20b6e61e1b42fab7de6682a3b2fa5cdc5

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/5/2024 10:16:07 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2014.12.28

avast!
Win32:Somoto-R [PUP]
2014.9-141227

AVG
Generic
2015.0.3248

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.141227

Dr.Web
Trojan.Packed.28357
9.0.1.0361

ESET NOD32
Win32/Somoto
8.10932

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2733

McAfee
Artemis!3622DD0CD384
5600.6904

Panda Antivirus
PUP/MultiToolbar.A
14.12.27.08

Reason Heuristics
PUP.Installer.Somoto.F
14.12.27.8

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R0C1H07LQ14
7.2.361

File size:
420.4 KB (430,536 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
7/2/2014 10:00:00 AM

Valid to:
7/3/2015 9:59:59 AM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
6A0C39D0252522A9C448352858ACAACB

File PE Metadata
Compilation timestamp:
12/6/2009 9:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:TsxFOKFFzyT9D7uYDU5wFjnLU7zWd0GhbZmphVJ/Ye6c8bdKhCtgwo8di+1:mFJF0luYDAwBnLpbZwVJWAhCtW8

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9414

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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