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nsx8e61.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 nsx8e61.tmp by Somoto has been detected as adware by 13 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:
8d824071364163bb4fc45c358deba247

SHA-1:
34d77cb0fbbdc74f92d74f59d4b96deba0237572

SHA-256:
912124aafa2a61023c50515b8eb8d4eebc6eb835ea881089be7197f17be9b8f1

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/26/2024 6:38:01 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.101Alemi
2014.11.19

Avira AntiVirus
APPL/Somoto.Gen2
7.11.187.50

avast!
Win32:Somoto-R [PUP]
2014.9-141210

AVG
Generic
2015.0.3265

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.141210

Dr.Web
Trojan.Packed.28357
9.0.1.0344

ESET NOD32
Win32/Somoto
8.10745

Malwarebytes
PUP.Optional.Somoto.A
v2014.12.10.10

McAfee
Artemis!8D8240713641
5600.6921

Panda Antivirus
PUP/MultiToolbar.A
14.12.10.10

Reason Heuristics
PUP.Somoto.K
14.12.10.10

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
Suspicious_GEN.F47V1116
7.2.344

File size:
279.8 KB (286,496 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsx8e61.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):
3072:0QIURTXJq3JewF7UVmII4pDI0KFK6aFrmAKYTK7kxWUOOiOJXM5RXS2zTglUWZ05:0so3Je68Z9m8K7V9zOqDTG0JpYZ8

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 nsx8e61.tmp has been seen being distributed by the following URL.

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

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