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mzcpu.exe

Download.com Installer

Spigot, Inc.

This component is part of the Spigot browser add-on, a web browser addition that is designed to modify the core search provider in order to redirect search queries through partner portals. The application mzcpu.exe by Spigot has been detected as adware 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 Spigot Setup installer. The file has been seen being downloaded from d2ikz9nudfd891.cloudfront.net and multiple other hosts.
Publisher:
Download.com  (signed by Spigot, Inc.)

Product:
Download.com Installer

Version:
1.0.0.19

MD5:
d4922ef9d8398768f0b335bfd06c2166

SHA-1:
f72f199d7e97ee9599c4498c4f49a43b7837953b

SHA-256:
a5a77570d0c57b45b0742af4e17385ced2f0cb509cce5cb5f9343b429f69cec3

Scanner detections:
1 / 68

Status:
Adware

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:
11/30/2024 10:13:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.Spigot.F
14.11.21.17

File size:
229.4 KB (234,912 bytes)

Product version:
1.0.0.19

Copyright:
(c) 2014 Download.com. All rights reserved.

Original file name:
CnetStub.exe

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

Digital Signature
Signed by:
Spigot, Inc.

Authority:
DigiCert Inc

Valid from:
11/20/2014 2:00:00 AM

Valid to:
11/22/2017 2:00:00 PM

Subject:
CN="Spigot, Inc.", O="Spigot, Inc.", L=Incline Village, S=Nevada, C=US, PostalCode=89451, STREET="554 Mays Blvd. #10-456", SERIALNUMBER=E0212222011-9, OID.1.3.6.1.4.1.311.60.2.1.2=Nevada, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E22C73A7CB0A3988AA00FE82072E3F0

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:GQIURTXJMIHVY2BNjcjcLJ2XCvDxjaDC6BLJ:GszVYe3dxb1aDlJ

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file mzcpu.exe has been seen being distributed by the following 2 URLs.

http://d2ikz9nudfd891.cloudfront.net/gbjlckjjhbptcsqs

http://download.cnet.com/.../?appid=10680879

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