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nsk3c58.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 nsk3c58.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. 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:
a99563dd88789f9ecadb390fd72d2a6a

SHA-1:
d7e3b74c638fbded5962d1bf2c0be045abb157d7

SHA-256:
35a977adc9ffcd125f7ae794f62d88ab895ad54aa58f9f491ec467f49efc5dba

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:
4/22/2024 10:50:18 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2014.12.29

avast!
Win32:Somoto-R [PUP]
2014.9-150227

AVG
Generic
2016.0.3185

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15227

Dr.Web
Trojan.Packed.28357
9.0.1.058

ESET NOD32
Win32/Somoto
9.10938

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2421

Malwarebytes
PUP.Optional.Somoto
v2015.02.27.09

McAfee
Artemis!A99563DD8878
5600.6841

Panda Antivirus
PUP/MultiToolbar.A
15.02.27.09

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.2.27.21

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R08NH07LT14
7.2.58

VIPRE Antivirus
Trojan.Win32.Generic
36184

File size:
420.4 KB (430,512 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsk3c58.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 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:LsxFOGbqmk3LBhWY0tc6ztixgZokFi7FxMOb5t/0Fn4Cofr0BodAPVX9slIGv6Se:eFOogFKBzXzPn4vwu6Vg6SrWcde

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 nsk3c58.tmp has been seen being distributed by the following URL.

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

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