somoto-master.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 somoto-master.exe by Somoto has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from cdn.bigspeedpro.com.
Publisher:
Somoto Ltd.  (signed and verified)

MD5:
7a2a356b4aa8cfc7d34fac1ccc593c4a

SHA-1:
051aecbefac3f097f166faa2e6cd9aa42bfc4d5c

SHA-256:
8f02548f55652e4ae8cbaf3595f6ef32784ac925439295c68670597379fe24bc

Scanner detections:
6 / 68

Status:
Adware

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:
11/12/2024 7:21:08 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Somoto-J [PUP]
2014.9-131224

Dr.Web
Adware.Somoto.4
9.0.1.0358

Reason Heuristics
PUP.Somoto.N
14.8.7.17

Trend Micro House Call
ADW_TOMOS
7.2.358

Trend Micro
ADW_TOMOS
10.465.24

XVirus List
Win32.Detected
2.8.7

File size:
2.2 MB (2,324,552 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller (using Nullsoft Install System)

Common path:
C:\users\{user}\appdata\local\temp\somoto-master.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/20/2011 2:00:00 AM

Valid to:
9/20/2014 1:59:59 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:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:ti81zc4O/wjnFu0/44jzMobOxUUPple02/TTbtSLQc:hJO/mg0w97uTboP

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file somoto-master.exe has been seen being distributed by the following URL.

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