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nsb5cdf.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 nsb5cdf.tmp by Somoto has been detected as adware by 9 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:
ba81a12d8fe010f8748512ff7da11897

SHA-1:
07979d6c0f3e2a9e33328fad16593214e0ac7bba

SHA-256:
8d5fdd7c15b031b2872fe31f89df85113437eddd47a443d3b97ee2112f57ee74

Scanner detections:
9 / 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:
6/30/2025 12:30:28 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.101Alemi
2014.11.05

Avira AntiVirus
APPL/Somoto.Gen2
7.11.183.24

avast!
Win32:Somoto-R [PUP]
2014.9-141104

AVG
Generic
2015.0.3300

Dr.Web
Trojan.Packed.28357
9.0.1.0308

K7 AntiVirus
Unwanted-Program
13.185.13888

Malwarebytes
PUP.Optional.Somoto.A
v2014.11.04.11

Reason Heuristics
PUP.Somoto.K
14.11.4.23

Sophos
Somoto BetterInstaller
4.98

File size:
205.6 KB (210,520 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsb5cdf.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):
3072:xQIURTXJq3POahsPIQSCycLSmFTap2KP1WDIDV/L/wL6b:xso32ah3QSRc9TBYwDIDVLoL6b

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 nsb5cdf.tmp has been seen being distributed by the following URL.

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

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