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nsp7c25.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 nsp7c25.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. 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.srvsadminin.com.
Publisher:
Somoto Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
9bbdf934e3ecc6bca7efa01c71ba3b8d

SHA-1:
4edd17b02a947c517d5e24e0d3a35818edad4e57

SHA-256:
0b635aecc6a8aba79dc3f560a629e06367b673e728e130539cde8a742686f550

Scanner detections:
14 / 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:
5/2/2024 3:44:46 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.02.05

avast!
Win32:Somoto-R [PUP]
2014.9-150217

AVG
Downloader
2016.0.3196

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15217

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Somoto.GDP
20965

Dr.Web
Trojan.Packed.28357
9.0.1.048

ESET NOD32
Win32/Somoto.G potentially unwanted
9.11125

K7 AntiVirus
Unwanted-Program
13.193.14866

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2475

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

Reason Heuristics
PUP.Somoto
15.2.17.2

Sophos
Somoto BetterInstaller
4.98

VIPRE Antivirus
Trojan.Win32.Generic
37266

File size:
420.4 KB (430,448 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsp7c25.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 7:00:00 PM

Valid to:
7/2/2015 6:59:59 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 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:eFdb3PhoWef8EEmU6vDgArPS4efJidYAMZlcc33:eFp3paJllUAzS4EidYAYjH

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:
7.9413

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsp7c25.tmp has been seen being distributed by the following URL.

http://sub.srvsadminin.com/installers/bi_downloader/.../setup.exe

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