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bluestacks_hd_appplayerpro_setup_0(downloadtorrent)-tpb_downloader-n4wzm32kw.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_hd_appplayerpro_setup_0(downloadtorrent)-tpb_downloader-n4wzm32kw.exe 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)

MD5:
b0726720cb587958f0ab0cb791bae310

SHA-1:
e261536f3d680c01f35cb24a005619c6c822f71f

SHA-256:
36c0952bfd8379bb506ae1b5b96e2f3daf3dbed1438c757094a54213e1877703

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:
11/2/2024 5:29:16 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.J
888

Avira AntiVirus
APPL/Somoto.Gen2
7.11.170.42

AVG
Generic
2015.0.3366

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14831

Bitdefender
Application.Bundler.Somoto.J
1.0.20.1215

Clam AntiVirus
Win.Adware.Somoto
0.98/19316

Comodo Security
Application.Win32.Somoto.CK
19365

Emsisoft Anti-Malware
Application.Bundler.Somoto
9.0.0.4324

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

F-Secure
Application.Bundler.Somoto.J
11.2014-31-08_1

IKARUS anti.virus
PUA.Downloader.Somoto
t3scan.1.7.5.0

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.494

McAfee
Somoto-BetterInstaller
5600.7022

NANO AntiVirus
Riskware.Nsis.Adware.dbnhrj
0.28.2.61861

nProtect
Trojan-Clicker/W32.Agent.225264
14.08.29.01

Panda Antivirus
PUP/MultiToolbar.A
14.08.31.12

Qihoo 360 Security
Malware.Radar03.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.Somoto.
14.8.30.12

SUPERAntiSpyware
PUP.Somoto/Variant
10389

VIPRE Antivirus
Threat.4150696
32210

File size:
220 KB (225,264 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\bluestacks_hd_appplayerpro_setup_0(downloadtorrent)-tpb_downloader-n4wzm32kw.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 5:00:00 PM

Valid to:
7/2/2015 4:59:59 PM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
6A0C39D0252522A9C448352858ACAACB

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):
6144:qA0m3D0oDF97LbJIhIDQnMrSsmE/wo4tHW:qA0iD0o+OuWMEIo4U

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:
7.7513  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file bluestacks_hd_appplayerpro_setup_0(downloadtorrent)-tpb_downloader-n4wzm32kw.exe has been seen being distributed by the following URL.

http://sub.sertave.info/N4wZM32KWa319adee3220d612d42e33da34f215a00AV1aKpJI79YToyOntzOjI6InRzIjtpOjE0MDk0MTMzNDc7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQwOTQwMTc3MzUwNS5leGUiO30=

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