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nsgc662.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 nsgc662.tmp by Somoto has been detected as adware by 15 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.steshik.info.
Publisher:
Somoto Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
101fc8c3d1c78c9e07ba0b4ec1d9bb3f

SHA-1:
dde3c9a682cee8909b9a2f3bc7435fbbb22d7818

SHA-256:
0d6b83e7020a26bbfb0e2554724fd003816e0e51c9759eac6f696048773961f2

Scanner detections:
15 / 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:
12/5/2024 1:11:48 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.18

avast!
Win32:Somoto-R [PUP]
2014.9-150118

AVG
Downloader
2016.0.3226

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15118

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Packed.28357
9.0.1.018

ESET NOD32
Win32/Somoto
9.11031

K7 AntiVirus
Unwanted-Program
13.191.14674

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2623

Malwarebytes
PUP.Optional.Somoto
v2015.01.18.09

Panda Antivirus
PUP/MultiToolbar.A
15.01.18.09

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.1.18.9

Sophos
Somoto BetterInstaller
4.98

VIPRE Antivirus
Trojan.Win32.Generic
36752

File size:
420.5 KB (430,568 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsgc662.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):
12288:GFWhG8wfGvcSFBsAsLUwK9FuFFu9SiarVqTFeAs:GFzGvFB9sLDK9FuTr4TFhs

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 nsgc662.tmp has been seen being distributed by the following URL.

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

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