myscrapnookcrxsetup.exe

Mindspark Interactive Network

This is the installer stub for the Mindspark (My Scrap Nook/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 myscrapnookcrxsetup.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. The program is a setup application that uses the Mindspark Custom Setup installer.
Publisher:
My Scrap Nook  (signed by Mindspark Interactive Network)

Product:
My Scrap Nook

Version:
1, 0, 0, 0

MD5:
694f0d3e60ba59486349ad3a04c9ff78

SHA-1:
201ebd92376caf6962d56ffd35ccec27a0502295

SHA-256:
765d690213e73950d4632d18f1d27e48642c96d3ced00ce8f35e1ae52fca7909

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 9:25:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mindspark (M)
16.8.10.6

File size:
640.4 KB (655,776 bytes)

Product version:
1, 0, 0, 0

Copyright:
Copyright © 2012

Original file name:
12Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Mindspark Custom Setup

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
4/9/2012 7:00:00 PM

Valid to:
5/6/2015 6:59:59 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 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
098417F7EA6406EC7B320590E17A65B7

File PE Metadata
Compilation timestamp:
8/8/2012 11:54:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:NLK33bkhyui/zrFKbkEfYZynekEAChZGuYfo:N7yuG9MfY4ekWpYw

Entry address:
0x3FCB

Entry point:
55, 8B, EC, 6A, FF, 68, 38, 82, 40, 00, 68, 9C, 65, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, 70, 81, 40, 00, 33, D2, 8A, D4, 89, 15, 94, D3, 40, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 90, D3, 40, 00, C1, E1, 08, 03, CA, 89, 0D, 8C, D3, 40, 00, C1, E8, 10, A3, 88, D3, 40, 00, 33, F6, 56, E8, 58, 06, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, B9, 22, 00, 00, FF, 15, 74, 81, 40, 00, A3, 9C, D8, 40, 00, E8...
 
[+]

Entropy:
6.2422

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
28 KB (28,672 bytes)

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

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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