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unlockroot_downloader_by_unlockroot.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 unlockroot_downloader_by_unlockroot.exe by Somoto has been detected as adware by 15 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:
c8258b783abcefd49b7c91590e7f00e0

SHA-1:
135335915cb688f12ab4af6d69d2d5eb97bb9f8d

SHA-256:
99861c88fee079ae6489313d64ba20f21cb874665bd125e8c07a562d5c2a2c2e

Scanner detections:
15 / 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:
4/26/2024 1:47:03 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2014.12.20

Avira AntiVirus
APPL/Somoto.Gen2
7.11.196.234

avast!
Win32:Somoto-R [PUP]
2014.9-141222

AVG
Generic
2015.0.3253

Clam AntiVirus
Win.Adware.Somoto
0.98/21511

Dr.Web
Trojan.Packed.28357
9.0.1.0356

ESET NOD32
Win32/Somoto
8.10907

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2758

McAfee
Artemis!C8258B783ABC
5600.6909

NANO AntiVirus
Riskware.Win32.Downware.digcac
0.28.6.64267

Reason Heuristics
PUP.Somoto.d
14.12.22.11

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
PUP.Somoto/Variant
10162

Trend Micro House Call
TROJ_GEN.R047H07LG14
7.2.356

VIPRE Antivirus
Trojan.Win32.Generic
35916

File size:
290.1 KB (297,072 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 3:00:00 AM

Valid to:
7/3/2015 2:59:59 AM

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 11:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:UA0m3j0oUIs6uYfBPCHrZ4P7WLxt7p0oft5owKwPcE12rN3:UA0ij0o9xD5mruaLxrjbok12rV

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...
 
[+]

Code size:
28.5 KB (29,184 bytes)

The file unlockroot_downloader_by_unlockroot.exe has been seen being distributed by the following 2 URLs.

http://downloadcdn.betterinstaller.com/installers/.../9/UnlockRoot_downloader_by_UnlockRoot.exe

http://androidhost.org/.../EOAwH

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