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setup.exe

Site on Spot Limited

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 setup.exe by Site on Spot Limited has been detected as adware by 7 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from sub.cakewalkroomba.com.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
cfd4f334e6cc2f333999df0b605f9cd0

SHA-1:
6561ef5fac081eb503c76516706ff7017d4e320b

SHA-256:
91f3d6da8baf809563c188383a04e948d4180af009f7169eec0b1fac7cd3eaf5

Scanner detections:
7 / 68

Status:
Adware

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/6/2024 11:04:20 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Downloader
2016.0.3196

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15216

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

F-Secure
Riskware.Gen:Application.Heur.7v1@m4l8lOaO
5.13.68

Kaspersky
not-a-virus:Downloader.Win32.Agent
15.0.0.543

Qihoo 360 Security
Win32/Virus.Downloader.6b0
1.0.0.1015

Reason Heuristics
PUP.Bundler.Somoto
15.5.3.0

File size:
418.2 KB (428,248 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/28/2015 1:00:00 AM

Valid to:
7/10/2015 1:59:59 AM

Subject:
CN=Site on Spot Limited, O=Site on Spot Limited, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
477E336D7B42EDDDED42DABF6FAB572F

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):
6144:wsxFIVJ0jscjK/vpUkxMnJK8wYxfvIDJ1x5R4kgHQHvUFbkDLEP6rjOaxyQOzDOA:pFYJvhnGWEJN3xKcH3dk8Sn+OA5

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...
 
[+]

Entropy:
7.9410

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://sub.cakewalkroomba.com/installers/bi_downloader/.../setup.exe

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