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 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. The file has been seen being downloaded from www.yourfilezone.com and multiple other hosts.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
ZGame Toolbar

Description:
ZGame Toolbar Installer

Version:
1.0

MD5:
83e078a4f73081e3db62eecb6318f5d6

SHA-1:
a5a20f5aad6ea5d16cfef427da6996088c9667b8

SHA-256:
706b188293dcb2db27663d85aaaf9eadbee812bfc3a4a1c8c61d872a2361bd67

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:
4/25/2024 9:58:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Visicom.VisicomM.Installer (M)
16.6.19.16

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
Authority:
Thawte, Inc.

Valid from:
4/18/2012 1:00:00 AM

Valid to:
6/22/2014 12:59:59 AM

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 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:v1PPOtFSfS87+QSN+WNXiOheWNxn6qoc6U3z373QY44d/eDMqf0S:v1PPOtEff7a+VaeWNx6qocLz3zGI/DZS

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 2 URLs.

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