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calendarspark.4c70989fb1204d0693f2bd4ff205b104.exe

CalendarSpark

Mindspark Interactive Network

This is the installer stub for the Mindspark (Mindspark Interactive Network, Inc./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 calendarspark.4c70989fb1204d0693f2bd4ff205b104.exe, “CalendarSpark Setup” 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 NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
Mindspark Interactive Network, Inc.  (signed by Mindspark Interactive Network)

Product:
CalendarSpark

Description:
CalendarSpark Setup

Version:
2.7.1.1000

MD5:
a2f4c9df6aeee1b60aac2c5e388da004

SHA-1:
edc1f1fd0f74d4b2ade355d43d31b851b945e6aa

SHA-256:
296f0354b49b1cf1eaea5d1eb7b3f75de87a9b4cfe6fa2903c6d4f4907a96f82

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:
11/5/2024 7:10:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mindspark (M)
17.3.14.11

File size:
363.4 KB (372,080 bytes)

Product version:
2.7.1.1000

Copyright:
© 2015 Mindspark Interactive Network, Inc. An IAC Company. All rights reserved.

Trademarks:
® & ™ Mindspark Interactive Network, Inc. An IAC Company. All rights reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\calendarspark.4c70989fb1204d0693f2bd4ff205b104.exe

Digital Signature
Signed by:
Mindspark Interactive Network

Authority:
VeriSign, Inc.

Valid from:
4/19/2015 6:00:00 PM

Valid to:
6/18/2018 5:59:59 PM

Subject:
CN=Mindspark Interactive Network, O=Mindspark Interactive Network, L=Yonkers, S=New York, 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:
438D4291E43C2DFFEEAAAEE5B6C070B5

File PE Metadata
Compilation timestamp:
12/24/2013 11:01:44 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x3229

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 14, C7, 44, 24, 10, D8, A2, 40, 00, 89, 6C, 24, 1C, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 81, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 58, 4F, 43, 00, E8, 9F, 2E, 00, 00, A3, A4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, B8, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, C0, A2, 40, 00, 68, A0, 3E, 43, 00, E8, 0A, 2B, 00, 00, FF, 15, 38, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, F8, 2A, 00, 00...
 
[+]

Entropy:
7.9141

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file calendarspark.4c70989fb1204d0693f2bd4ff205b104.exe has been seen being distributed by the following URL.

http://ak.imgfarm.com/images/nocache/vicinio/installers/v2/227394414.S20027.1/nsis/724647-S20027.1/170307165914475/.../CalendarSpark.4c70989fb1204d0693f2bd4ff205b104.exe

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