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youtubedownloader_downloader_by_youtubedownloader.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 youtubedownloader_downloader_by_youtubedownloader.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 19 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:
20c0c693882b45e74d6c9ec15b9abc94

SHA-1:
b36cf4945ec05625ed6b4c3ea62b9f79bc5bc8cf

SHA-256:
bd9a05ce0b123253949d7d935ab23a6103cbcaeffd0c00ada9dfa91817650d5f

Scanner detections:
19 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/23/2024 9:45:20 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Somoto
7.1.1

AhnLab V3 Security
PUP/Win32.BetterInstaller
2014.02.26

Avira AntiVirus
APPL/Somoto.Gen2
7.11.133.154

avast!
Win32:PUP-gen [PUP]
2014.9-140309

AVG
AdInstaller.Somoto
2015.0.3541

Baidu Antivirus
HackTool.Win32.Downloader
4.0.3.1439

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
17845

Dr.Web
Adware.Somoto.17
9.0.1.068

ESET NOD32
Win32/Somoto
8.9468

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4200

Malwarebytes
PUP.Optional.Somoto.A
v2014.03.09.12

Panda Antivirus
PUP/MultiToolbar.A
14.03.09.12

Reason Heuristics
PUP.BetterInstaller.Somoto.r
14.8.7.17

Sophos
Somoto BetterInstaller
4.97

SUPERAntiSpyware
Adware.Somoto/Variant
10739

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
BetterInstaller
26832

File size:
161 KB (164,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

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

Digital Signature
Signed by:
Somoto Ltd.

Authority:
COMODO CA Limited

Valid from:
9/20/2011 3:00:00 AM

Valid to:
9/20/2014 2:59:59 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 12:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:s22ihA0m3BJf0v/UAtyTgngSskssk02UOxTXy2BG6rzdI19JUGEiKi:HA0m3T0v/U8Dgcs70BOxTXTL5I19JU/i

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:
7.5947

Code size:
28.5 KB (29,184 bytes)

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

https://download.r.worldssl.net/installers/2/.../YouTubeDownloader_downloader_by_YouTubeDownloader.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.