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7zip_downloader_by_7zip.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 7zip_downloader_by_7zip.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 24 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:
2.0.0.0

MD5:
8e6a38891ae49452613b6a6d343e9c4f

SHA-1:
72aafe2c8becda221214e1f25024e386aa605855

SHA-256:
c67d0d8a57bfa1a119226285c13cf5a94a0f580a132d7cc81bd67e16bde17691

Scanner detections:
24 / 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:
11/23/2024 9:37:44 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

AhnLab V3 Security
PUP/Win32.BetterInstaller
2014.03.10

Avira AntiVirus
APPL/Somoto.Gen2
7.11.135.234

avast!
Win32:PUP-gen [PUP]
2014.9-140313

AVG
AdInstaller.Somoto
2015.0.3536

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.14313

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
17908

Dr.Web
Adware.Somoto.17
9.0.1.072

ESET NOD32
Win32/Somoto
8.9520

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.176.11378

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4176

Malwarebytes
PUP.Optional.Somoto.A
v2014.03.13.06

McAfee
Artemis!8E6A38891AE4
5600.7192

NANO AntiVirus
Trojan.Win32.Agent.cruvdt
0.28.0.58101

Panda Antivirus
PUP/MultiToolbar.A
14.03.13.06

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.BetterInstaller.Somoto.X
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto/Variant
10729

Trend Micro House Call
TROJ_GEN.R08NB01BR14
7.2.72

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
BetterInstaller
27260

File size:
161 KB (164,872 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\low\content.ie5\{random}\7zip_downloader_by_7zip.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
COMODO CA Limited

Valid from:
9/19/2011 5:00:00 PM

Valid to:
9/19/2014 4:59:59 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 1:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:c22ihA0m3BJf0vLXVrXwL86aZSpRKUim3JzABpscT/mB4AOOlL428v:3A0m3T0vJX4kS/KUJ5doHlOlExv

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:
7.5934

Code size:
28.5 KB (29,184 bytes)

The file 7zip_downloader_by_7zip.exe has been seen being distributed by the following URL.

https://download.r.worldssl.net/installers/0/.../7zip_downloader_by_7zip.exe

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