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nso6075.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 nso6075.tmp by Somoto has been detected as adware by 16 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:
56b3eaa5dd67a9f97ed5db2e54a6b908

SHA-1:
d899b65b61e39bec5fd8dfdae69ff7be509f9dee

SHA-256:
3f1ff1de780f8043a3bd84fb0ad2a12013df92b7da9d6610984bf82736d76cc8

Scanner detections:
16 / 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:
5/22/2024 7:49:15 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Somoto
2015.01.06

avast!
Win32:Somoto-R [PUP]
2014.9-150108

AVG
Generic
2016.0.3236

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1518

Bkav FE
W32.HfsAdware
1.3.0.6267

Dr.Web
Trojan.Packed.28357
9.0.1.08

ESET NOD32
Win32/Somoto
9.10969

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2673

Malwarebytes
PUP.Optional.Somoto
v2015.01.08.10

McAfee
Artemis!56B3EAA5DD67
5600.6892

Panda Antivirus
PUP/MultiToolbar.A
15.01.08.10

Qihoo 360 Security
Win32/Virus.Downloader.192
1.0.0.1015

Reason Heuristics
PUP.Somoto.K
15.1.8.10

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.R0C1H07A415
7.2.8

VIPRE Antivirus
Trojan.Win32.Generic
36408

File size:
420.4 KB (430,512 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nso6075.tmp

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 1:00:00 AM

Valid to:
7/3/2015 12:59:59 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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:eF09I30em2EVn7/3cXnXVotZPdBnEofPBrW:eF09IEeyVnT3cXXmHHNfP1W

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 nso6075.tmp has been seen being distributed by the following URL.

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

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