MountainLionSkipPack64_downloader_by_SkinPack.exe

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 application MountainLionSkipPack64_downloader_by_SkinPack.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 21 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)

Description:
Powered by BetterInstaller

Version:
2.1.0.0

MD5:
bf294c5307425b74ff966441bd4dc047

SHA-1:
31a4acf6fef15935ce7fee117de1137bb2dc4a65

SHA-256:
29d7c450d0cd28c18523984acc45eef25b74aefafa3944994a3b627433274b71

Scanner detections:
21 / 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:
4/25/2024 9:33:27 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

AhnLab V3 Security
PUP/Win32.BetterInstaller
14.04.08

Avira AntiVirus
APPL/Somoto.itv.465
7.11.140.20

avast!
Win32:Somoto-F [PUP]
2014.9-140408

AVG
AdInstaller.Somoto
2015.0.3511

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
18013

Dr.Web
Adware.Somoto.17
9.0.1.098

ESET NOD32
Win32/Somoto
8.9611

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.176.11595

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4050

Malwarebytes
PUP.Optional.Somoto
v2014.04.08.02

NANO AntiVirus
Trojan.Win32.Agent.cruvhh
0.28.0.58720

Panda Antivirus
PUP/MultiToolbar.A
14.04.08.02

Reason Heuristics
PUP.BetterInstaller.Somoto.n
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto
10679

Trend Micro House Call
TROJ_GEN.R08OB01CD14
7.2.98

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
BetterInstaller
27832

File size:
159.6 KB (163,440 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\mountainlionskippack64_downloader_by_skinpack.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/19/2011 8:00:00 PM

Valid to:
9/19/2014 7:59:59 PM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., STREET=PO Box 58096, L=Tel Aviv, S=--, PostalCode=61580, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00841D099D16B738F34172FEEFE1D2574F

File PE Metadata
Compilation timestamp:
12/17/2010 4:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:u22ihA0m3BJf0AU0ucLuRhZoBnXMOzPtdgyba9PF+g:hA0m3T0AU0uTdk86tSyKd+g

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.5887

Code size:
28.5 KB (29,184 bytes)

The file MountainLionSkipPack64_downloader_by_SkinPack.exe has been seen being distributed by the following URL.