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popularscreensaverssetup2.3.78.2.zrfox000.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 popularscreensaverssetup2.3.78.2.zrfox000.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:
245695d2ef13107dfa6179d54a12ded1

SHA-1:
77eebd1202dbc03f3279f0e93480961210498029

SHA-256:
00e13036eb13cffc0de7a77bb6aa010fa405911aaaf2fcf5d5c82e695bc4d452

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 12:27:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mindspark.MyWebSea.Installer (M)
16.6.6.9

File size:
3.2 MB (3,376,584 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\popularscreensaverssetup2.3.78.2.zrfox000.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:
1/11/2011 10:20:44 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:fBEH7U2LiPa5i26F0qwef/0hEhICc10813WYv289Iy9DeVibn8uYSOo5PB/PP:fBuUMiPaaSeX0i500A3C8KyUMb+mPB

Entry address:
0x3187

Entry point:
55, 8B, EC, 83, EC, 44, 53, 56, 6A, 00, FF, 15, 28, 41, 40, 00, A3, 9C, 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:
7.9558

Developed / compiled with:
Microsoft Visual C++

Code size:
12 KB (12,288 bytes)

The file popularscreensaverssetup2.3.78.2.zrfox000.exe has been seen being distributed by the following URL.

http://ak.exe.imgfarm.com/images/nocache/mindspark/.../PopularScreensaversSetup2.3.78.2.ZRfox000.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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