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IBMThinkPadPCDoctor_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 IBMThinkPadPCDoctor_downloader_by_Downloadsourcenet.exe, “Powered by BetterInstaller” by Somoto has been detected as adware by 23 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:
518921ab51261c6ef27e4ec1918b19a0

SHA-1:
44aa1cd9264908fed4cae8334ee655c72dbf5e1c

SHA-256:
cd5bde58d829b70afbb75b131d68384bae75828fbdf37f604e28443eb0895156

Scanner detections:
23 / 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:
4/25/2024 6:34:17 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.A
1018

Agnitum Outpost
PUA.Somoto
7.1.1

Avira AntiVirus
APPL/Somoto.Gen2
7.11.144.202

avast!
Win32:PUP-gen [PUP]
2014.9-140423

AVG
AdInstaller.Somoto
2015.0.3496

Bitdefender
Application.Bundler.Somoto.A
1.0.20.565

Clam AntiVirus
Adware.Somoto-1
0.98/18355

Comodo Security
Application.Win32.Somoto.A
18152

Dr.Web
Adware.Somoto.17
9.0.1.0113

ESET NOD32
Win32/Somoto
8.9709

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

F-Secure
Application.Bundler.Somoto
11.2014-23-04_4

G Data
Application.Bundler.Somoto
14.4.24

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.3975

Malwarebytes
PUP.Optional.Somoto.A
v2014.04.23.01

MicroWorld eScan
Application.Bundler.Somoto.A
15.0.0.339

NANO AntiVirus
Trojan.Win32.Agent.cruvdt
0.28.0.59492

Panda Antivirus
PUP/MultiToolbar.A
14.04.23.01

Reason Heuristics
PUP.BetterInstaller.Somoto.t
14.8.7.17

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
Adware.Somoto/Variant
10649

Vba32 AntiVirus
Downloader.Agent
3.12.26.0

VIPRE Antivirus
BetterInstaller
28524

File size:
162.8 KB (166,712 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

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

Digital Signature
Signed by:
Somoto Ltd.

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:Z22ihA0m3BJf0vb07CiIQwUDtAVDq06ots67XGhmn0NV2tH:aA0m3T0vg7wQwU5ADwhmuV2tH

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:
7.5989

Code size:
28.5 KB (29,184 bytes)

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

http://downloadcdn.filebulldog.com/installers/e/.../IBMThinkPadPCDoctor_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.