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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 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.urplayzone.com.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
ZGame Toolbar

Description:
ZGame Toolbar Installer

Version:
2.0

MD5:
3aa8b45122cfb2fd8004ef734a88215e

SHA-1:
3da8eaf5c7484d144e255c06fe8ce1fadcbd4477

SHA-256:
1a3312254d0928bd625e68a0c54e0038e5f6c436461d7fd0734cb03c0fc34ed4

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:
11/16/2024 1:25:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Visicom.VisicomMedia.Installer (M)
16.2.7.5

File size:
2.5 MB (2,600,664 bytes)

Product version:
2.0.0.1

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 7:00:00 AM

Valid to:
6/22/2014 6:59:59 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:
12/6/2009 5:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:h1PPQUARBrKbMEvpR45+R/GrH00H3TRZ1av42mNfyG0ApTjqBtLhW9:h1PP7A32oEE5Lg0H3TIv4XEG5ADU

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...
 
[+]

Entropy:
7.9635

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 URL.

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

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