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mightyfax_downloader_by_downloadsourcenet.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 mightyfax_downloader_by_downloadsourcenet.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 27 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:
fd1646315cea9920fe2837cd6ee30264

SHA-1:
0d1c37e04915d328dbd67770a68d5426d5542ec7

SHA-256:
57a1d748d3f7198c00d028992c165a2a65b0a7efeeae8a385afc1ff260879f6e

Scanner detections:
27 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

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:
4/26/2024 7:04:47 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.I
847

Agnitum Outpost
PUA.Somoto
7.1.1

AhnLab V3 Security
PUP/Win32.BetterInstaller
2014.10.11

Avira AntiVirus
APPL/Somoto.Gen2
7.11.177.162

avast!
PUP-gen [PUP]
141003-0

AVG
Adware AdInstaller.Somoto
2014.0.4037

Bitdefender
Application.Bundler.Somoto.I
1.0.20.1415

Clam AntiVirus
Adware.Somoto-1
0.98/19493

Comodo Security
Application.Win32.Somoto.A
19763

Dr.Web
Adware.Somoto.17
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.Somoto
14.10.10

ESET NOD32
Win32/Somoto.A potentially unwanted application
7.0.302.0

F-Prot
W32/SomotoBetterInstaller.A
4.6.5.141

F-Secure
Application.Bundler.Somoto
11.2014-10-10_6

G Data
Application.Bundler.Somoto
14.10.24

K7 AntiVirus
Unwanted-Program
13.183.13642

Kaspersky
not-a-virus:Downloader.NSIS.Agent
15.0.0.494

Malwarebytes
PUP.Optional.Somoto.A
v2014.10.10.07

MicroWorld eScan
Application.Bundler.Somoto.I
15.0.0.849

NANO AntiVirus
Trojan.Win32.Somoto.csrqje
0.28.2.62483

Panda Antivirus
PUP/MultiToolbar.A
14.10.10.07

Reason Heuristics
PUP.BetterInstaller.Somoto.j
14.10.10.18

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto/Variant
10307

Vba32 AntiVirus
Signed-AdWare.BetterInternet.SomotoLtd
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Adware.BetterInternet.Win32.1234
2.0.0.1949

File size:
162.7 KB (166,640 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\mightyfax_downloader_by_downloadsourcenet.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
COMODO CA Limited

Valid from:
9/20/2011 8:00:00 AM

Valid to:
9/20/2014 7:59:59 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 5:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:B22ihA0m3BJf0vzE8EuLcgkPcrCPGPa8+F2tSJsqbG17iZMM:iA0m3T0vzJLcgTrSGPa82zb27iZMM

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:
7.5999

Code size:
28.5 KB (29,184 bytes)

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

http://downloadcdn.filebulldog.com/installers/d/.../MightyFax_downloader_by_Downloadsourcenet.exe

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.