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skinpack-9-win7-ver1_downloader_downloader-6ac2kzuo.exe

Somoto Israel

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application skinpack-9-win7-ver1_downloader_downloader-6ac2kzuo.exe by Somoto Israel has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from skinpacks.com.
Publisher:
Somoto Israel  (signed and verified)

MD5:
603452e8cb1bba3a575a9557660ed006

SHA-1:
e2f3b5cc8305162479758c2435834da91081b596

SHA-256:
cde1ceada9469fc99b1401f0150a4bdde51483dfcac3f9a028c76ec7928151c6

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/16/2024 9:58:37 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Downloader
2015.0.3509

Clam AntiVirus
Trojan.Agent-267630
0.98/18355

ESET NOD32
Win32/Somoto
8.9651

K7 AntiVirus
Unwanted-Program
13.176.11696

Malwarebytes
PUP.Optional.Somoto
v2014.04.10.12

McAfee
Artemis!603452E8CB1B
5600.7165

Panda Antivirus
PUP/MultiToolbar.A
14.04.10.12

Qihoo 360 Security
Win32/Virus.Downloader.394
1.0.0.1015

Reason Heuristics
PUP.SomotoIsrael.t
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.F47V0407
7.2.100

VIPRE Antivirus
Trojan.Win32.Generic
28128

File size:
231.4 KB (236,936 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\skinpack-9-win7-ver1_downloader_downloader-6ac2kzuo.exe

Digital Signature
Signed by:
Somoto Israel

Authority:
COMODO CA Limited

Valid from:
7/7/2013 5:00:00 PM

Valid to:
7/8/2018 4:59:59 PM

Subject:
CN=Somoto Israel, O=Somoto Israel, STREET=Habarzel 32, L=Tel Aviv, S=--, PostalCode=69700, C=IL

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

Serial number:
74F2E607D2905C0E3EA9C8AB59942D25

File PE Metadata
Compilation timestamp:
12/17/2010 1:14:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:YJ380oK96GMY0ZqwbDTFZKAbMf+ZbtU3kVlixVgAPN:YF80oK96G7uXPK4ha3Z1

Entry address:
0x380C

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 87, 4D, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 2A, 4A, 00, 00, 6A, 00, E8, 9B, 4D, 00, 00, 6A, 08, A3, 28, F9, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, D8, F9, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, 4C, A2, 40, 00, E8, E0, 4C, 00, 00, 83, EC, 0C, 68, 4D, A2, 40, 00, 68, 08, FA, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, E6, 49, 00, 00, 52, 52, 50, 68, 00, 80, 43, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 29, 49, 00, 00, 83...
 
[+]

Entropy:
7.7630  (probably packed)

Code size:
30 KB (30,720 bytes)

The file skinpack-9-win7-ver1_downloader_downloader-6ac2kzuo.exe has been seen being distributed by the following URL.

http://skinpacks.com/.../SkinPack-9-win7-ver1_Downloader_downloader-6aC2Kzuo.exe

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