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nst3047.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 nst3047.tmp 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)

MD5:
6a7524ce14e207f2a9379207d7c036d5

SHA-1:
d69c8c708109a74c5c373983942271928590e9fc

SHA-256:
0a42c189b1c945091fa52e1923ee2513059db8cb30ba23515dae35b06aab274c

Scanner detections:
14 / 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:
4/30/2024 2:42:45 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2014.12.22

Avira AntiVirus
APPL/Somoto.Gen2
7.11.197.26

avast!
Win32:Somoto-R [PUP]
2014.9-141226

AVG
Generic
2015.0.3248

Dr.Web
Trojan.Packed.28357
9.0.1.0360

ESET NOD32
Win32/Somoto
8.10912

K7 AntiVirus
Unwanted-Program
13.188.14395

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2736

Malwarebytes
PUP.Optional.Somoto.A
v2014.12.26.07

McAfee
Artemis!6A7524CE14E2
5600.6904

Panda Antivirus
Generic Malware
14.12.26.07

Reason Heuristics
PUP.Somoto.K
14.12.26.19

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R047H07LL14
7.2.360

File size:
279.7 KB (286,440 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nst3047.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 9:00:00 PM

Valid to:
7/2/2015 8:59:59 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 8:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:sso3uRu4taFrJkLBuuBLCDphm6/FZ3b/jrYuDUT9MlXKmx:E3KuLklrLq1NxouDm9MlXKs

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 nst3047.tmp has been seen being distributed by the following URL.

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

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