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default_downloader-9ndi27el.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 default_downloader-9ndi27el.exe by Somoto Israel has been detected as adware by 16 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 d19vrlke2p8e7v.cloudfront.net and multiple other hosts.
Publisher:
Somoto Israel  (signed and verified)

MD5:
9e08fc016a6ba12f1bb9b7032c4b1145

SHA-1:
66ea6db02226da6da80bf2c55ba0e43c3515b4b4

Scanner detections:
16 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 3:24:08 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Somoto-O [PUP]
2014.9-140424

AVG
Downloader
2015.0.3494

Clam AntiVirus
Trojan.Agent-267630
0.98/18355

Comodo Security
Application.Win32.Somoto.DE
18153

Dr.Web
Trojan.MulDrop4.11744
9.0.1.0114

ESET NOD32
Win32/Somoto
8.9710

K7 AntiVirus
Unwanted-Program
13.176.11847

Malwarebytes
PUP.Optional.Somoto
v2014.04.24.12

McAfee
Artemis!9E08FC016A6B
5600.7150

NANO AntiVirus
Trojan.Nsis.Mazel.cwhyud
0.28.0.59492

Panda Antivirus
PUP/MultiToolbar.A
14.04.24.12

Qihoo 360 Security
Win32/Virus.Downloader.394
1.0.0.1015

Reason Heuristics
PUP.SomotoIsrael.BB
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.F47V0423
7.2.114

VIPRE Antivirus
Trojan.Win32.Generic
28530

File size:
231.4 KB (236,936 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\Documents and Settings\{user}\My documents\downloads\default_downloader-9ndi27el.exe

Digital Signature
Signed by:
Somoto Israel

Authority:
COMODO CA Limited

Valid from:
7/8/2013 3:00:00 AM

Valid to:
7/9/2018 2:59:59 AM

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 11:14:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:shizgwyT3BJQ0oytGlZMY0B/UkoLJl1YodqZoyHq+Z1Fc8cnuCjVz3VUwgW5PZ:YJ380oytGMY0Zql+kSlJcb3VZgAPZ

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:
7.7626  (probably packed)

Code size:
30 KB (30,720 bytes)

The file default_downloader-9ndi27el.exe has been seen being distributed by the following 4 URLs.

http://d19vrlke2p8e7v.cloudfront.net/installers/cli/.../BlueStacks-SplitInstaller_native_downloader-947dGY3o.exe

http://logic.bijscode.com/dl?source_slug=qspartnerstvsoi&affiliate_slug=bluestacksofflineinstaller&software_name=BlueStacks Install Wizard&software_subtitle=&software_filename=.exe&software_download_url=http://cdn.bluestacks.com/public/.../BlueStacks-SplitInstaller_native.exe&software_logo_url=&oname=BlueStacks-SplitInstaller_native&software_execution_arguments=&software_filesize=9011

http://www.techzune.com/bluestacks11

http://www.down1oads.com/.../Default_downloader-9nDI27EL.exe

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