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nso9b5.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 nso9b5.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)

Version:
1.0.0.1

MD5:
5a7af5f69257302c7d8d6566f0b143de

SHA-1:
805eae04204bd6a3c28bfeb0cc0353d3bb0c292d

SHA-256:
23de9d40c67ecf25e625acefa7948791bdbc0b992bd176c7a475c75cbbc64151

Scanner detections:
14 / 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:
5/18/2024 6:51:26 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.06

avast!
Somoto-R [PUP]
150101-1

AVG
Generic
2016.0.3238

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1515

Bkav FE
W32.HfsAdware
1.3.0.6267

Dr.Web
Trojan.Packed.28357
9.0.1.05190

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:Downloader.Win32.Agent
15.0.0.543

Malwarebytes
PUP.Optional.Somoto
v2015.01.05.03

Panda Antivirus
PUP/MultiToolbar.A
15.01.05.03

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto.J
15.1.5.14

Sophos
PUA 'Somoto BetterInstaller'
5.09

VIPRE Antivirus
Threat.4150696
36340

File size:
420.4 KB (430,504 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nso9b5.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

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

Valid to:
7/3/2015 1:59:59 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 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:zsxFRn92M26TIPr4JQq3uYBEogLJ02thSl379hz11T7ApHvoN7fBe30w0MOUm:GFcUBuYeNdhSl79vwHAbi1a

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 nso9b5.tmp has been seen being distributed by the following URL.

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

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