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webfettisetup2.3.78.26.zkman000.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 webfettisetup2.3.78.26.zkman000.exe by Mindspark Interactive Network has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software.
Publisher:
MyWebSearch.com  (signed by Mindspark Interactive Network)

Product:
My Web Search Bar Installer

Version:
2, 0, 0, 11

MD5:
64e3af3143f28cabd15fb8c8c6ea2791

SHA-1:
aa59edfe3e889a71297ec52833147cdcc99c0df1

SHA-256:
164a87ee48571fc4d4eb246fc704d52372ceb4c48f8391c344ebaddd2988da7d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/24/2024 1:02:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mindspark.MyWebSea.Installer (M)
16.4.14.13

File size:
3.1 MB (3,294,640 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\webfettisetup2.3.78.26.zkman000.exe

Digital Signature
Signed by:
Mindspark Interactive Network

Authority:
VeriSign, Inc.

Valid from:
5/31/2010 5:00:00 AM

Valid to:
5/7/2012 4:59:59 AM

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:
3/19/2011 8:17:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:dcS2ULGXEFlVoC9ieYXmy3qLHjvFcy7FpetgiZFrnNYX6d1Nm0uWNrbHuY:dR2oFl8eu/+Jcy7ze+gYq4WR

Entry address:
0x3187

Entry point:
55, 8B, EC, 83, EC, 44, 53, 56, 6A, 00, FF, 15, 28, 41, 40, 00, A3, 4C, 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:
7.9579

Developed / compiled with:
Microsoft Visual C++

Code size:
12 KB (12,288 bytes)

The file webfettisetup2.3.78.26.zkman000.exe has been seen being distributed by the following URL.

http://ak.exe.imgfarm.com/images/nocache/mindspark/.../WebfettiSetup2.3.78.26.ZKman000.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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