Setup_Stub.exe

Babylon Client Setup 1.0

Babylon Ltd.

This is part of the Babylon web browser toolbar and extension that will modify the browser's default search provider, DNS, and home page functions. The application Setup_Stub.exe, “Babylon Client Setup” by Babylon has been detected as adware by 19 anti-malware scanners. This is a setup and installation application and has been known to bundle potentially unwanted software. Additionally, the file is typically installed by a number of programs including CamToPrint by DigitalAlbum, Inc. and Aqua Castles Screensaver 1.0 by FullScreensavers.com. This will display context specific advertisements in the browser as well as attempt to modify the browser's search provider.
Publisher:
Babylon Ltd.  (signed and verified)

Product:
Babylon Client Setup 1.0

Description:
Babylon Client Setup

Version:
1.0.8.0

MD5:
ac3129819faa20a776239f48e57d2b35

SHA-1:
4394d2b4fbc67455d8cc72c6fef515d2889e2fa4

SHA-256:
b6af852b0d55bc6c350012a94a2fc7bcd3362c571e7e01c52f10cf53d7de145e

Scanner detections:
19 / 68

Status:
Adware

Explanation:
The installer may include an offer for the Babylon Toolbar (a homepage/search hijacker), which is potentially installed with minimal user consent.

Analysis date:
4/27/2024 4:04:59 AM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
W32.Sality
2.1.4+

Agnitum Outpost
PUA.Toolbar.Babylon
7.1.1

Avira AntiVirus
TR/Trash.Gen
7.11.30.172

Baidu Antivirus
Trojan.Win32.Toolbar
4.0.3.1487

Bkav FE
W32.Clod95a.Trojan
1.3.0.4923

Boost by Reason
Adware.Installer.Babylon.K
2013.8.29.0

Comodo Security
UnclassifiedMalware
16361

Dr.Web
Adware.Babylon.8
9.0.1.0219

Emsisoft Anti-Malware
Riskware.Win32.Toolbar.Babylon.AMN
8.14.08.07.07

ESET NOD32
Win32/Toolbar.Babylon
7.9190

Fortinet FortiGate
Adware/Toolbar
8/29/2013

Malwarebytes
v2013.08.29.12

McAfee
Artemis!52C88A3FDD9C
5600.7045

NANO AntiVirus
Riskware.Win32.Babylon.craswq
0.28.0.57029

Reason Heuristics
PUP.Installer.Babylon.K
14.8.7.19

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
10435

Trend Micro House Call
TROJ_GEN.F47V0207
7.2.219

VIPRE Antivirus
Babylon
24832

ViRobot
Trojan.Win32.A.Agent.67584.F
2011.4.7.4223

File size:
768.1 KB (786,584 bytes)

Copyright:
2011(c) Babylon Ltd. All rights reserved.

Original file name:
Setup_Stub.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
2/26/2012 4:00:00 PM

Valid to:
3/8/2014 3:59:59 PM

Subject:
CN=Babylon Ltd., O=Babylon Ltd., L=Or-Yehuda, S=Or-Yehuda, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
48C39FBA62460E24E169054FE518E0AF

File PE Metadata
Compilation timestamp:
2/4/2012 10:12:42 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:+dlEGXfBhyJVinEXF0osOpYApOGh48atya4I:+dlEGfBhyJQ+F6tm1h4PgaP

Entry address:
0x1762

Entry point:
55, 8B, EC, 83, E4, F8, 81, EC, 38, 02, 00, 00, A1, 00, 50, 40, 00, 33, C4, 89, 84, 24, 34, 02, 00, 00, 56, 57, 33, FF, 57, FF, 15, 40, 40, 40, 00, 6A, 0A, 8B, F0, 68, E8, 41, 40, 00, 56, FF, 15, 5C, 40, 40, 00, 3B, C7, 74, 16, 50, 8D, 44, 24, 20, 50, 8D, 44, 24, 20, 50, 56, E8, 61, 03, 00, 00, 83, C4, 10, EB, 05, B8, 16, 07, 00, 00, 3B, C7, 0F, 85, BB, 00, 00, 00, 8B, C6, 8D, 4C, 24, 20, 89, 7C, 24, 08, 89, 7C, 24, 0C, 89, 7C, 24, 10, C7, 44, 24, 14, 03, 00, 00, 00, E8, 23, F8, FF, FF, 3B, C7, 0F, 85, 94...
 
[+]

Entropy:
7.9853

Developed / compiled with:
Microsoft Visual C++

Code size:
12 KB (12,288 bytes)

The file Setup_Stub.exe has been discovered within the following programs.

Aqua Castles Screensaver 1.0  by FullScreensavers.com
Aqua Castles Screensaver bundles a branded version of the Conduit and Babylon toolbars, designed to deliver search based advertising and results. During installation the user is presented in some cases with the option to install the toolbar (on by default).
www.fullscreensavers.com
67% remove it
CamToPrint  by DigitalAlbum, Inc.
www.camtoprint.com
About 4% of users remove it
PC Cleanup Utility  by PC Cleanup Utility LLC
47% remove it
 
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The file Setup_Stub.exe has been seen being distributed by the following 6 URLs.

http://dl.babylon.com/files/Toolbars/.../MyBabylonTB.exe

http://media.instcdn.com/xmlcdn/.../toolbarv2.exe

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