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nsfaa9.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 nsfaa9.tmp by Somoto has been detected as adware by 16 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:
5709b2eec39f83f0387a652e32190e38

SHA-1:
39f00e1e5e02f0ebfa7041cdf3c0d40a5fae8e11

Scanner detections:
16 / 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:
5/27/2024 7:17:24 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2014.12.20

Avira AntiVirus
APPL/Somoto.Gen2
7.11.196.234

avast!
Win32:Somoto-R [PUP]
2014.9-150327

AVG
Generic
2016.0.3158

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15327

Dr.Web
Trojan.Packed.28357
9.0.1.086

ESET NOD32
Win32/Somoto
9.10907

K7 AntiVirus
Unwanted-Program
13.188.14395

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2284

Malwarebytes
PUP.Optional.Somoto.A
v2015.03.27.04

McAfee
Artemis!5709B2EEC39F
5600.6814

Panda Antivirus
PUP/MultiToolbar.A
15.03.27.04

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

Reason Heuristics
PUP.Bundler.Somoto
15.3.27.4

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R047H07LI14
7.2.86

File size:
279.8 KB (286,504 bytes)

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

Common path:
C:\Documents and Settings\{user}\Local settings\temp\nsfaa9.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 3:00:00 AM

Valid to:
7/3/2015 2:59:59 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:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:sso3VwAYN5ssbRPV96cWpizKrcO1+rNcg+ohzFbKeyeGcsd:E3VM1bRPz7N2rcOZo7KL

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 nsfaa9.tmp has been seen being distributed by the following URL.

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

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