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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 14 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:
43c43d7afc76b2ea2830c18d554b5d1b

SHA-1:
fecab332f788b10de7a98ada32244dd8d90dcc67

Scanner detections:
14 / 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:
5/18/2024 4:03:35 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.05

avast!
Win32:Somoto-R [PUP]
2014.9-150111

AVG
Generic
2016.0.3232

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15111

Bkav FE
W32.HfsAdware
1.3.0.6267

Dr.Web
Trojan.Packed.28357
9.0.1.011

ESET NOD32
Win32/Somoto
9.10964

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2657

Malwarebytes
PUP.Optional.Somoto
v2015.01.11.12

Panda Antivirus
PUP/MultiToolbar.A
15.01.11.12

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto.C
15.1.11.12

Sophos
Somoto BetterInstaller
4.98

VIPRE Antivirus
Trojan.Win32.Generic
36366

File size:
420.4 KB (430,512 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\windows\temp\{random}.tmp\bi.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 1:00:00 AM

Valid to:
7/3/2015 12:59:59 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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:LsxFMg+Sc02sOjuY2CJdpsBnCDw/E3Zn6iHr/dwIOSozKbBgCw5zvwSfa+:eFMg+dLB2CaBcqKr/dxozXjJwo

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:
7.9406

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.abantsk.info/installers/bi_downloader/.../setup.exe

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