bluestacks_downloader_by_bluestacks.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 bluestacks_downloader_by_bluestacks.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 30 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:
08a6cde1529b9cbc3a2781102b7d2ea8

SHA-1:
2f202c00904b4f21a010f1eca9f546cd5579f66f

SHA-256:
d5d76245284dad79ed82004f7e965d63c852468bdb33727172949db481d1a6a0

Scanner detections:
30 / 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 9:24:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.A
1018

Agnitum Outpost
PUA.Somoto
7.1.1

Avira AntiVirus
APPL/Somoto.Gen2
7.11.138.108

avast!
Win32:PUP-gen [PUP]
2014.9-140326

AVG
AdInstaller.Somoto
2015.0.3524

Baidu Antivirus
Hacktool.Win32.Downloader
4.0.3.14326

Bitdefender
Application.Bundler.Somoto.A
1.0.20.565

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
17975

Dr.Web
Adware.Somoto.17
9.0.1.085

ESET NOD32
Win32/Somoto
8.9577

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

F-Secure
Application.Bundler.Somoto
11.2014-23-04_4

G Data
Application.Bundler.Somoto
14.4.24

K7 AntiVirus
Unwanted-Program
13.176.11524

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4113

Malwarebytes
PUP.Optional.Somoto.A
v2014.03.26.10

McAfee
Artemis!08A6CDE1529B
5600.7180

MicroWorld eScan
Application.Bundler.Somoto.A
15.0.0.339

NANO AntiVirus
Trojan.Win32.Agent.cruvdt
0.28.0.58491

Panda Antivirus
PUP/MultiToolbar.A
14.03.26.10

Qihoo 360 Security
Win32/Virus.Downloader.c73
1.0.0.1015

Quick Heal
Downloader.NSIS.r7
4.14.12.00

Reason Heuristics
PUP.BetterInstaller.Somoto.d
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto/Variant
10704

Trend Micro House Call
TROJ_SPNR.03C414
7.2.85

Trend Micro
TROJ_SPNR.03C414
10.465.26

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
BetterInstaller
27654

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}\downloads\bluestacks_downloader_by_bluestacks.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/20/2011 1:00:00 AM

Valid to:
9/20/2014 12:59:59 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 9:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:c22ihA0m3BJf0vAj4aXZVRXFJ3VYaM5jR6xK/5EBzjsK+IMjbJEg1D:3A0m3T0vAt7RXXMyxmS9jsmMvSU

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 bluestacks_downloader_by_bluestacks.exe has been seen being distributed by the following URL.

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