ChromiumSkinPackx64_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 ChromiumSkinPackx64_downloader_by_SkinPack.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 19 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:
8b1d7ef4636676014bcfb67bfcd910f7

SHA-1:
cd70e79cc9ee1ad20b9a3583c896d8225d403797

SHA-256:
4a445c44f532a68ec647cb01f5ac6422cf0ada0c6ccfffe81ec5d76b8073045c

Scanner detections:
19 / 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:
4/26/2024 2:37:17 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

Avira AntiVirus
APPL/Somoto.Gen2
7.11.118.248

avast!
Win32:Somoto-F [PUP]
2014.9-131211

AVG
AdInstaller.Somoto
2014.0.3628

Clam AntiVirus
Win.Adware.Somoto
0.98/18355

Comodo Security
Application.Win32.Somoto.A
17417

Dr.Web
Adware.Somoto.17
9.0.1.0345

ESET NOD32
Win32/Somoto
7.9154

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.174.10469

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4049

Malwarebytes
PUP.Optional.Somoto
v2013.12.11.12

NANO AntiVirus
Trojan.Win32.Agent.cruvhh
0.28.0.58873

Panda Antivirus
PUP/MultiToolbar.A
14.04.08.02

Reason Heuristics
PUP.BetterInstaller.Somoto.k
14.8.7.17

Sophos
Somoto BetterInstaller
4.95

SUPERAntiSpyware
Adware.Somoto
10914

Trend Micro House Call
TROJ_GEN.R0CBH0AKE13
7.2.345

VIPRE Antivirus
BetterInstaller
24212

File size:
159.6 KB (163,432 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\chromiumskinpackx64_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:m22ihA0m3BJf0ArQMAoo6xy0zQVMcNBuI0V5FF9g17nfVppVAAwwOu:ZA0m3T0ArQboHQvBupnzS7fDA7wOu

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:
7.5877

Code size:
28.5 KB (29,184 bytes)

The file ChromiumSkinPackx64_downloader_by_SkinPack.exe has been seen being distributed by the following URL.