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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 15 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)

MD5:
1d96520459d885682cc1620444d4279e

SHA-1:
b8054b7453acbabc8ddedb42824902a83317a9b3

SHA-256:
22871e70dd48f9efed975c0c6623a449d0b1320559d2b3f4b65f6668c7e256a1

Scanner detections:
15 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
1/13/2025 1:53:36 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2015.03.14

Avira AntiVirus
PUA/Somoto.Gen2
7.11.217.16

avast!
Somoto-R [PUP]
150101-1

AVG
Generic
2016.0.3171

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15313

Dr.Web
Trojan.Packed.28357
9.0.1.05190

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.200.15259

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2351

Malwarebytes
PUP.Optional.Somoto.A
v2015.03.13.05

Panda Antivirus
PUP/MultiToolbar.A
15.03.13.05

Reason Heuristics
PUP.Bundler.Somoto
15.3.13.17

Sophos
PUA 'Somoto BetterInstaller'
5.12

Trend Micro House Call
ADW_TOMOS.SMN
7.2.72

Trend Micro
ADW_TOMOS.SMN
10.465.13

File size:
205.6 KB (210,496 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\w2y52uf9\setup.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 8:00:00 PM

Valid to:
7/2/2015 7:59:59 PM

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:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:ZQIURTXJq3kwz2N1qk4e0p4NAWeHc9teJ8VjXhp6U8LSSRMlMKRPdzXj+P9h34op:Zso3kE2/r4Pp8xe89YJaLhp6Zt4QH44

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:
7.8265

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.

http://sub.avielic.info/installers/bi_downloader/.../setup.exe

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