bi.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 bi.exe by Somoto has been detected as adware by 13 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:
43eab3b823cea2c9e79d386cfd133865

SHA-1:
dba7e9a22834446be560079cd8a4f69ad3a3a85d

SHA-256:
569d8383b47b6facb77a5e4a478e54fd39a693456ec39610e7c48a3cf6480203

Scanner detections:
13 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/26/2024 3:12:53 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2014.12.28

Avira AntiVirus
APPL/Somoto.Gen2
7.11.198.56

avast!
Somoto-R [PUP]
141214-1

AVG
Generic
2015.0.3248

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.141227

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
13.188.14468

Kaspersky
not-a-virus:Downloader.Win32.Agent
15.0.0.543

Malwarebytes
PUP.Optional.Somoto.A
v2014.12.27.08

Panda Antivirus
PUP/MultiToolbar.A
14.12.27.08

Reason Heuristics
PUP.Somoto.C
14.12.27.7

Sophos
PUA 'Somoto BetterInstaller'
5.09

File size:
205.6 KB (210,520 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\bi.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

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

Valid to:
7/3/2015 1:59:59 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:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:xQIURTXJq3zqVyuJ2oanOfvloa6qMIq3eyk5LpWH/t+vLvINK6MGbVlkPuAlMNob:xso3z47VanOnl6QLpgeiVMGbvXhNA

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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