home

installer.exe

BT 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 installer.exe, “BT Toolbar Installer” by Visicom Media has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.bt.com and multiple other hosts.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
BT Toolbar

Description:
BT Toolbar Installer

Version:
1.0.0.43

MD5:
d652a104836f64728f797604174fd7bb

SHA-1:
46235b381f04b82662cb7d5559ee5b43d4c9e6f1

SHA-256:
1a9f4f3ab76fbe01c57a1c75b1ab213d92c79f50afdf4a6f4dae714713515c72

Scanner detections:
5 / 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:
1/16/2025 3:53:16 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
DLOADER.Trojan
9.0.1.0130

ESET NOD32
Win32/Toolbar.Visicom (variant)
8.9746

McAfee
Artemis!3B893FB00FB8
5600.7135

Reason Heuristics
PUP.BTToolbarInstaller.VisicomMedia.J
14.8.7.19

Trend Micro House Call
TROJ_GEN.F47V0219
7.2.130

File size:
2.7 MB (2,851,040 bytes)

Product version:
1.0.0.43

Copyright:
© Visicom Media Inc. (License)

Trademarks:
, All Rights Reserved

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\installer.exe

Digital Signature
Signed by:
Visicom Media Inc.

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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:n/PctcxNHYW610Hya9pytVtuQN0pwJLSPUOWC1ojfrvUyJCIIs0oH:33nHY9SJ9KuQltQXqjTYsb

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:
7.9981

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer.exe has been seen being distributed by the following 3 URLs.

http://www.bt.com:8080/static/includes/account/.../bttb.exe

http://www.bt.com/static/includes/account/.../bttb.exe

http://home.bt.com/pages/software/toolbar/.../BTToolbar.exe

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