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nsaabec.tmp

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 file nsaabec.tmp by Somoto has been detected as adware by 30 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:
80a6970c3eb59fd2cbe0038ed15c93ae

SHA-1:
31c108416d69a003192b44e0489c0d252b1c3245

SHA-256:
498d633b0dfa0c36f77b112b6991aac35affb591fdf2b005dec922ec9ae9778a

Scanner detections:
30 / 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:
5/2/2024 5:45:00 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.AG
570

AhnLab V3 Security
Win-PUP/Somoto
2015.06.05

Avira AntiVirus
PUA/Somoto.Gen2
8.3.1.6

Arcabit
Application.Bundler.Somoto.AG
1.0.0.425

avast!
Win32:Somoto-R [PUP]
2014.9-150714

AVG
AdLoad.S
2016.0.3048

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15714

Bitdefender
Application.Bundler.Somoto.AG
1.0.20.975

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Somoto-2
0.98/21511

Comodo Security
Application.Win32.Somoto.GDP
22340

Dr.Web
Trojan.Packed.28357
9.0.1.0195

ESET NOD32
Win32/Somoto.G potentially unwanted
9.11737

Fortinet FortiGate
Riskware/Agent
7/14/2015

F-Secure
Application.Bundler.Somoto
11.2015-14-07_3

K7 AntiVirus
Trojan
13.204.16146

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.1737

Malwarebytes
PUP.Optional.Somoto
v2015.07.14.02

McAfee
RDN/Generic PUP.x!c2e
5600.6704

MicroWorld eScan
Application.Bundler.Somoto.AG
16.0.0.585

NANO AntiVirus
Riskware.Nsis.Adware.dshbbp
0.30.24.1636

Panda Antivirus
PUP/MultiToolbar.A
15.07.14.02

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

Quick Heal
Downloader.Agent.r5 (Not a Virus)
7.15.14.00

Reason Heuristics
PUP.Somoto.Bundler (M)
15.7.14.14

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
ADW_TOMOS.SMN
7.2.195

Trend Micro
TROJ_GEN.R03EC0OBG15
10.465.14

VIPRE Antivirus
Trojan.Win32.Generic
40838

Zillya! Antivirus
Downloader.Agent.Win32.237552
2.0.0.2206

File size:
420.4 KB (430,504 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsaabec.tmp

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:zsxFGhKcJhSlUOkZkUJGPYPguvCSaxaVVaZFcOImtjBasKb7nN1+S8x8DtvQ4dd:GFKKLZm/3qpxaVgzcOntj0nn6EDBT

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 nsaabec.tmp has been seen being distributed by the following URL.

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

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