Letterman_downloader_by_Fonts101.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 Letterman_downloader_by_Fonts101.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 17 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:
2.1.0.0

MD5:
7e77901ea32a4405854dca532eabfcd0

SHA-1:
59e67369e5876cc9e4e78a383463567757ba439f

SHA-256:
a86384259d84bc85f407766a9b5982e47cb5a31d27177bfb33456e42e57ca5ac

Scanner detections:
17 / 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 8:46:33 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

Avira AntiVirus
APPL/Somoto.Gen2
7.11.141.194

avast!
Win32:Somoto-F [PUP]
2014.9-140408

AVG
AdInstaller.Somoto
2015.0.3511

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
18067

Dr.Web
Adware.Somoto.17
9.0.1.098

ESET NOD32
Win32/Somoto
8.9648

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4049

Malwarebytes
PUP.Optional.Somoto
v2014.04.08.02

NANO AntiVirus
Trojan.Win32.Agent.cruvhh
0.28.0.59048

Panda Antivirus
PUP/MultiToolbar.A
14.04.08.02

Reason Heuristics
PUP.BetterInstaller.Somoto.a
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto
10679

VIPRE Antivirus
BetterInstaller
28116

File size:
159.4 KB (163,264 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\letterman_downloader_by_fonts101.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/19/2011 8:00:00 PM

Valid to:
9/19/2014 7:59:59 PM

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 4:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:+22ihA0m3BJf0AwAAgiD61qewApTGJEjtoEVx2Srelxx1JPf4thOG:xA0m3T0Awhg51RXNGJbs5a91JaL

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:
7.5870

Code size:
28.5 KB (29,184 bytes)

The file Letterman_downloader_by_Fonts101.exe has been seen being distributed by the following URL.

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