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nsyc8fe.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 nsyc8fe.tmp by Somoto has been detected as adware by 17 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:
0b3d3868d9f7159c7abad95bb97e0fd2

SHA-1:
6a11414bdbca4be088c6ff2cdc4a2dda60d644da

SHA-256:
cce6b1462e50ea3e4af7833c50d0d7271341b1c93fb656b809b9ade4c9503ed1

Scanner detections:
17 / 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:
4/19/2024 8:49:12 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.06

avast!
Win32:Somoto-R [PUP]
2014.9-150201

AVG
Generic
2016.0.3211

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1521

Bkav FE
W32.HfsAdware
1.3.0.6267

Dr.Web
Trojan.Packed.28357
9.0.1.032

ESET NOD32
Win32/Somoto
9.10971

K7 AntiVirus
Trojan
13.1814541

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2551

Malwarebytes
PUP.Optional.Somoto
v2015.02.01.09

McAfee
RDN/Generic PUP.x!crc
5600.6867

Panda Antivirus
Generic Malware
15.02.01.09

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.2.1.21

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R047H07LP14
7.2.32

VIPRE Antivirus
Trojan.Win32.Generic
36418

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\nsyc8fe.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 6:00:00 PM

Valid to:
7/2/2015 5:59:59 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 3:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:GFvp1OYBGiW1DFpCrs8KvRyFlpqfF3Z6rX8QIO7:GF/zGiYCrJJF88X6O7

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:
7.9408

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsyc8fe.tmp has been seen being distributed by the following 4 URLs.

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

http://sub.u2dbn.net/installers/bi_downloader/.../setup.exe

http://sub.u2dbn.net/installers/bi_downloader/.../setup.exe

http://sub.u2dbn.net/installers/bi_downloader/.../setup.exe

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