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nsi1687.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 nsi1687.tmp by Somoto has been detected as adware by 18 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:
fca19840f2361dcdb57112770a91b581

SHA-1:
479fa134f31e9906e993aaec689b552c29069343

SHA-256:
58c040f3ff96b4ca0a836e78b766dd2d2e6fb4e5db8f2461dae8d481c1715b9a

Scanner detections:
18 / 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:
4/26/2024 2:13:26 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2015.01.01

Avira AntiVirus
APPL/Somoto.Gen2
7.11.198.230

avast!
Win32:Somoto-R [PUP]
2014.9-150302

AVG
Generic
2016.0.3183

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1532

Bkav FE
W32.HfsAdware
1.3.0.6267

Dr.Web
Trojan.Packed.28357
9.0.1.061

ESET NOD32
Win32/Somoto
9.10950

K7 AntiVirus
Unwanted-Program
13.188.14496

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2409

Malwarebytes
PUP.Optional.Somoto.A
v2015.03.02.02

McAfee
Artemis!FCA19840F236
5600.6839

Panda Antivirus
PUP/MultiToolbar.A
15.03.02.02

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.3.2.2

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R047H07L414
7.2.61

VIPRE Antivirus
Trojan.Win32.Generic
36260

File size:
279.8 KB (286,520 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsi1687.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

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

Valid to:
7/2/2015 6:59:59 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 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:8so3YyakvYgZsfnTWtfy3RmeUmuu+64WtNY1Dbw2:U39tvYgZsK6MvRu+64+eRbw2

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:
7.8922

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsi1687.tmp has been seen being distributed by the following URL.

http://sub.ellette.info/installers/bi_downloader/.../setup.exe

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