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redsn0w0915b3_downloader_by_redsn0w0915b3.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 redsn0w0915b3_downloader_by_redsn0w0915b3.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 20 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:
58d9c29c23d0a7c7c4bdbca4d581e056

SHA-1:
a8d10bda71c13b0f9d4c967155ed5755cc556d35

SHA-256:
99912abf31df8b2dbb9ede75ff4b85ce9091ff83cb7d64a963b710c0f758274a

Scanner detections:
20 / 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 3:49:24 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

Avira AntiVirus
APPL/Somoto.Gen2
7.11.133.40

avast!
Win32:PUP-gen [PUP]
2014.9-140405

AVG
AdInstaller.Somoto
2015.0.3513

Bkav FE
W32.Clod4ab.Trojan
1.3.0.4924

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
17826

Dr.Web
Adware.Somoto.17
9.0.1.095

ESET NOD32
Win32/Somoto
8.9456

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.176.11239

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4060

Malwarebytes
PUP.Optional.Somoto
v2014.04.05.11

NANO AntiVirus
Trojan.Win32.Agent.cruvdt
0.28.0.57630

Panda Antivirus
PUP/MultiToolbar.A
14.04.05.11

Reason Heuristics
PUP.BetterInstaller.Somoto.j
14.8.7.17

Sophos
Somoto BetterInstaller
4.97

SUPERAntiSpyware
Adware.Somoto/Variant
10683

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
BetterInstaller
26726

File size:
162.7 KB (166,592 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\redsn0w0915b3_downloader_by_redsn0w0915b3.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
COMODO CA Limited

Valid from:
9/20/2011 8:00:00 AM

Valid to:
9/20/2014 7:59:59 AM

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 5:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:h22ihA0m3BJf0vNryFu8eLVFYOUoa2BPefkiy0Y7EIhpE:CA0m3T0vNrNhFYFyPefkUYXpE

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:
7.5993

Code size:
28.5 KB (29,184 bytes)

The file redsn0w0915b3_downloader_by_redsn0w0915b3.exe has been seen being distributed by the following URL.

http://downloadcdn.betterinstaller.com/installers/e/.../Redsn0w0915b3_downloader_by_Redsn0w0915b3.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.