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nsb69ac.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 nsb69ac.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. According to AVG, this software downloads additional adware offers during setup. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from sub.maxmulti.info.
Publisher:
Somoto Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
19f41bee4ab6f0faeb2351fc21501d7c

SHA-1:
f9fd97fd6b66413b448e494bfa94cab252ba19d6

SHA-256:
cd19c49841ff58e3d7d10a38ede64743f2fbdf4c183fc68fbf83e41a9af94565

Scanner detections:
18 / 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:
5/3/2024 8:18:03 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.29

avast!
Win32:Somoto-R [PUP]
2014.9-150404

AVG
Downloader
2016.0.3149

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1544

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Somoto.GDP
20878

Dr.Web
Trojan.Packed.28357
9.0.1.094

ESET NOD32
Win32/Somoto
9.11088

K7 AntiVirus
Unwanted-Program
13.193.14789

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2241

Malwarebytes
PUP.Optional.Somoto
v2015.04.04.08

McAfee
Artemis!19F41BEE4AB6
5600.6805

Panda Antivirus
PUP/MultiToolbar.A
15.04.04.08

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

Reason Heuristics
PUP.Bundler.Somoto
15.4.4.20

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R0C1H07AR15
7.2.94

VIPRE Antivirus
Trojan.Win32.Generic
37046

File size:
420.4 KB (430,536 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsb69ac.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 1:00:00 AM

Valid to:
7/3/2015 12:59:59 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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:TsxFw4Bsfyis4upKr7k3wID7QeS1bdXbcHMvRp/a9zQxrVzy5pS:mFPm24nrwseQhIHMJZlZy5o

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:
7.9407

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsb69ac.tmp has been seen being distributed by the following URL.

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

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