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redsn0w_win_0915b1_downloader_by_redsn0w_win_0915b1.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 redsn0w_win_0915b1_downloader_by_redsn0w_win_0915b1.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 28 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:
46dce420246d27103199f5ddd62e4fd8

SHA-1:
d6d28b0c5b8bbef8ff23c00a4d62bcf81168f2b3

SHA-256:
58b0fd1146a652aeeeb0aed3097a0e76edca847f9aee4bf332ca2e4424d1ca34

Scanner detections:
28 / 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:
4/25/2024 1:21:13 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.I
726

Agnitum Outpost
PUA.Somoto
7.1.1

AhnLab V3 Security
Win-PUP/Somoto
2014.10.20

Avira AntiVirus
APPL/Somoto.Gen2
7.11.179.162

avast!
Win32:PUP-gen [PUP]
2014.9-150208

AVG
AdInstaller.Somoto
2016.0.3204

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.1528

Bitdefender
Application.Bundler.Somoto.I
1.0.20.195

Bkav FE
W32.Clod594.Trojan
1.3.0.4959

Clam AntiVirus
Adware.Somoto-1
0.98/21411

Comodo Security
Application.Win32.Somoto.A
19854

Dr.Web
Adware.Somoto.17
9.0.1.039

ESET NOD32
Win32/Somoto
9.10587

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

F-Secure
Application.Bundler.Somoto
11.2015-08-02_1

G Data
Application.Bundler.Somoto
15.2.24

K7 AntiVirus
Trojan
13.184.13727

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.2515

Malwarebytes
PUP.Optional.Somoto.A
v2015.02.08.10

MicroWorld eScan
Application.Bundler.Somoto.I
16.0.0.117

NANO AntiVirus
Trojan.Win32.Somoto.csrqje
0.28.2.62671

Reason Heuristics
PUP.BetterInstaller.Somoto
15.2.8.22

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto/Variant
10065

Trend Micro House Call
TROJ_GEN.R0C1C0EHT14
7.2.39

Vba32 AntiVirus
Signed-AdWare.BetterInternet.SomotoLtd
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
34082

Zillya! Antivirus
Adware.BetterInternet.Win32.1234
2.0.0.1960

File size:
162.7 KB (166,568 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\redsn0w_win_0915b1_downloader_by_redsn0w_win_0915b1.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:a22ihA0m3BJf0vUoXBaEPVz2IpRfVyiTj+CK6gj7Hu:1A0m3T0vdRpfdwp8

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:
7.5990

Code size:
28.5 KB (29,184 bytes)

The file redsn0w_win_0915b1_downloader_by_redsn0w_win_0915b1.exe has been seen being distributed by the following URL.

http://downloadcdn.betterinstaller.com/installers/a/.../Redsn0w_win_0915b1_downloader_by_Redsn0w_win_0915b1.exe

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.