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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 15 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. According to AVG, this software downloads additional adware offers during setup. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from sub.holabonitina.com.
Publisher:
Somoto Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
0523c91e800a4f5e92df26f11390a459

SHA-1:
505a2f208d070bac3cfc23d907c1807a3cc0ac06

SHA-256:
9509148e2e874c024f6378de2fd2516dbcd5cf6416a4c8e07881fd9e105358a5

Scanner detections:
15 / 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:
4/19/2024 8:07:40 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.02.08

avast!
Somoto-R [PUP]
150203-1

AVG
Downloader
2016.0.3205

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1528

Comodo Security
Application.Win32.Somoto.GDP
21004

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
13.193.14899

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

Malwarebytes
PUP.Optional.Somoto
v2015.02.08.04

McAfee
Artemis!0523C91E800A
5600.6861

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.2.8.4

Sophos
PUA 'Somoto BetterInstaller'
5.09

VIPRE Antivirus
Threat.4150696
36694

File size:
420.4 KB (430,496 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\temp\{random}.tmp\bi.exe

Digital Signature
Signed by:
Somoto Ltd.

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):
6144:7sxFypNK6DTcD3ycoaac5+BbGZ6uMwDr+RU9TGM38DHU62OI27eJyVSN:OFcDTwacsbxwDKRUItDHveQA

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.

http://sub.holabonitina.com/installers/bi_downloader/.../setup.exe

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