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webfettisetup2.3.96.3.zkchr999.exe

My Web Search Bar Installer

Mindspark Interactive Network

This is the installer stub for the Mindspark (MyWebSearch.com/Ask) browser toolbar which provides the offer to the end user to install the toolbar and set the browser's search, home page and new tab to an Ask.com search destination. The application webfettisetup2.3.96.3.zkchr999.exe by Mindspark Interactive Network has been detected as a potentially unwanted program by 18 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. This version of the installer will bundle a Mindspark/MyWebSearch Toolbar, a potentially unwanted web browser extension.
Publisher:
MyWebSearch.com  (signed by Mindspark Interactive Network)

Product:
My Web Search Bar Installer

Version:
2, 0, 0, 11

MD5:
175ed982b9b23742f783b91f4a9495eb

SHA-1:
3e4ced40e549aa1605489ac59dfdd329b84f233a

SHA-256:
afd9d386f8a749d84ab56de8b6ab93d4cd65cafec685d671cbd9932c73639031

Scanner detections:
18 / 68

Status:
Potentially unwanted

Explanation:
Bundles the Mindspark (MyWebSearch/Ask) toolbar, a web browser extension that will modify a user's search and home pages.

Analysis date:
4/18/2024 10:17:10 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Toolbar.MyWebSearch
7.1.1

AhnLab V3 Security
PUP/Win32.MyWebSearch
2014.10.30

avast!
Win32:Malware-gen
2014.9-141114

AVG
AdInstaller.FunWeb
2015.0.3290

Baidu Antivirus
Adware.Win32.MyWebSearch
4.0.3.141114

Bkav FE
W32.Clod3d7.Trojan
1.3.0.6185

Clam AntiVirus
Suspect.Adware.MWS
0.98/21411

Comodo Security
Heur.Suspicious
19942

Dr.Web
Trojan.DownLoader9.53383
9.0.1.0318

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
8.10643

Fortinet FortiGate
Riskware/FunWeb
11/14/2014

Kaspersky
not-a-virus:WebToolbar.Win32.MyWebSearch
14.0.0.2945

NANO AntiVirus
Riskware.Win32.Mywebsearch.csowph
0.28.6.62995

Qihoo 360 Security
Win32/Virus.WebToolbar.046
1.0.0.1015

Reason Heuristics
PUP.Installer.MindsparkInteractiveNetwork.AA
14.11.14.22

Rising Antivirus
PE:Trojan.Win32.Generic.1275703B!309686331
23.00.65.141112

VIPRE Antivirus
MyWebSearch.J
34364

Zillya! Antivirus
Adware.MyWebSearch.Win32.427
2.0.0.1972

File size:
3.5 MB (3,708,336 bytes)

Product version:
2, 0, 0, 11

Copyright:
Copyright © 2006, 2007, 2008, 2009, 2010

Original file name:
mwsSetup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\webfettisetup2.3.96.3.zkchr999.exe

Digital Signature
Signed by:
Mindspark Interactive Network

Authority:
VeriSign, Inc.

Valid from:
5/30/2010 8:00:00 PM

Valid to:
5/6/2012 7:59:59 PM

Subject:
CN=Mindspark Interactive Network, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Mindspark Interactive Network, L=White Plains, S=NewYork, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
41730EB0E6D92A476E16628A0DBEFB36

File PE Metadata
Compilation timestamp:
10/14/2011 11:28:19 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:2K4DxTujD3L3d8uZhw9OV8oEeTNcvmhGm3:2NxTujn3d8ql6+Gm

Entry address:
0x33BF

Entry point:
55, 8B, EC, 83, EC, 44, 53, 56, 6A, 00, FF, 15, 28, 41, 40, 00, A3, 94, 59, 40, 00, FF, 15, 8C, 40, 40, 00, 8B, 1D, 88, 40, 40, 00, 8B, F0, 85, F6, 75, 04, 6A, FF, FF, D3, 8A, 06, 57, 8B, 3D, 60, 41, 40, 00, 3C, 22, 75, 1B, 56, FF, D7, 8B, F0, 8A, 06, 3C, 22, 74, 04, 84, C0, 75, F1, 80, 3E, 22, 75, 15, 56, FF, D7, 8B, F0, EB, 0E, 3C, 20, 7E, 0A, 56, FF, D7, 8B, F0, 80, 3E, 20, 7F, F6, 8A, 06, 84, C0, 74, 04, 3C, 20, 7E, E1, 83, 65, E8, 00, 8D, 45, BC, 50, FF, 15, 84, 40, 40, 00, E8, 2D, 00, 00, 00, F6, 45...
 
[+]

Entropy:
7.9651

Developed / compiled with:
Microsoft Visual C++

Code size:
12 KB (12,288 bytes)

The file webfettisetup2.3.96.3.zkchr999.exe has been seen being distributed by the following URL.

http://ak.exe.imgfarm.com/images/nocache/mindspark/.../WebfettiSetup2.3.96.3.ZKchr999.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to www187.mindspark.com  (74.113.233.187:80)

TCP (HTTP):
Connects to anx.mindspark.com  (74.113.233.187:80)

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