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referencebosssetup2.5.15.0.^yp^man000^yya^.exe

Mindspark Interactive Network

This is the installer stub for the Mindspark (ReferenceBoss/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 referencebosssetup2.5.15.0.^yp^man000^yya^.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 program which is used to install the application.
Publisher:
ReferenceBoss  (signed by Mindspark Interactive Network)

Product:
ReferenceBoss

Version:
2, 0, 5, 6

MD5:
f9ffa7965dcddc37af66dc13734eb42f

SHA-1:
7498d18a2558d4ed44d62e4346b8cff9f0740a75

SHA-256:
3533c64cf72a7181e21955ba50cf54fa433c138e4985c07ffad753943bdbb440

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:
4/27/2024 3:58:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mindspark (M)
16.8.7.10

File size:
5.7 MB (5,970,312 bytes)

Product version:
2, 0, 5, 6

Copyright:
Copyright © 2009 - 2014

Original file name:
1pSetup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\referencebosssetup2.5.15.0.^yp^man000^yya^.exe

Digital Signature
Signed by:
Mindspark Interactive Network

Authority:
VeriSign, Inc.

Valid from:
4/9/2012 5:00:00 PM

Valid to:
5/6/2015 4:59:59 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:
7/1/2014 10:38:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:14/LJpEYkvEqQJPoR/J2EwRm41fRJBFAuXmz6MVGMFkF+yDH0e37Frlo:eL5fqQ+R/wEH4FRJBFfXc6O4+yL047F+

Entry address:
0x3E96

Entry point:
55, 8B, EC, 83, EC, 44, 53, 56, 6A, 00, FF, 15, 04, 51, 40, 00, A3, 24, 8B, 40, 00, FF, 15, 8C, 50, 40, 00, 8B, 1D, 88, 50, 40, 00, 8B, F0, 85, F6, 75, 04, 6A, FF, FF, D3, 8A, 06, 57, 8B, 3D, 64, 51, 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, 50, 40, 00, E8, 2D, 00, 00, 00, F6, 45...
 
[+]

Entropy:
7.7442

Developed / compiled with:
Microsoft Visual C++

Code size:
16 KB (16,384 bytes)

The file referencebosssetup2.5.15.0.^yp^man000^yya^.exe has been seen being distributed by the following URL.

http://ak.imgfarm.com/images/nocache/vicinio/installers/100000449.YYA.3/.../ReferenceBossSetup2.5.15.0.^YP^man000^YYA^.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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