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z_downloader.exe

ZGame Toolbar

Visicom Media Inc.

This is part of the Visicom VMN web browser toolbar and extension that will modify the browser's default search provider, DNS, and home page functions. The application z_downloader.exe, “ZGame Toolbar Installer” by Visicom Media has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.mplaynetwork.com and multiple other hosts.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
ZGame Toolbar

Description:
ZGame Toolbar Installer

Version:
1.0

MD5:
b4832aee86f1ff688840992103dc24ff

SHA-1:
52f781bb145569040312b052b59f2ff2ecd034f5

SHA-256:
14238b562c9ebf108af41a20a653287cbf63ec512bd70b697db8ea4c4cc5d556

Scanner detections:
2 / 68

Status:
Potentially unwanted

Explanation:
The setup program may install a variant of the Visicom Toolbar, a web browser extension that may modify the browser's home and search pages.

Analysis date:
4/25/2024 9:58:03 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Toolbar.Visicom (variant)
8.9540

Reason Heuristics
PUP.ZGameToolbarInstaller.VisicomMedia.P
14.10.1.11

File size:
2.1 MB (2,207,144 bytes)

Product version:
1.0.0.12

Copyright:
© Visicom Media Inc. (License)

Trademarks:
Visicom Media Inc., All Rights Reserved

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Visicom Media Inc.

Authority:
Thawte, Inc.

Valid from:
4/18/2012 12:00:00 AM

Valid to:
6/21/2014 11:59:59 PM

Subject:
CN=Visicom Media Inc., OU=SECURE APPLICATION DEVELOPMENT, O=Visicom Media Inc., L=Brossard, S=Quebec, C=CA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
2B19B54BB7ABEE1A2623111C029AF449

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:v1PPOtFSfS87+QSN+WNXiOheWNxn6qoc6UU4o4f1y4w2/CDObgsdY:v1PPOtEff7a+VaeWNx6qocY4oebL/RNY

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 z_downloader.exe has been seen being distributed by the following 3 URLs.

http://www.mplaynetwork.com/.../z_downloader.exe

http://www.yourfilezone.com/.../z_downloader.exe

http://www.urmediazone.com/.../z_downloader.exe

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