mystarttb_manycam_4998.exe

MyStart 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 mystarttb_manycam_4998.exe, “MyStart Toolbar Installer” by Visicom Media has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from installer.manycam.com and multiple other hosts.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
MyStart Toolbar

Description:
MyStart Toolbar Installer

Version:
5.3

MD5:
f47d8abc3a7b9cb0a91350eee2ba78de

SHA-1:
6146190dc3c5305163dd3bb69d63d3ed674e0ec9

SHA-256:
b6845a75ec8b6d5754d49e8a4062a94528826a85c47898bf791bcffa6a3ad2b1

Scanner detections:
4 / 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:
11/23/2024 9:26:22 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Tool.InstallToolbar.129
9.0.1.0154

ESET NOD32
Win32/Toolbar.Visicom (variant)
8.9822

Malwarebytes
PUP.Optional.MyStartTB.A
v2014.06.03.09

Reason Heuristics
PUP.MyStartToolbarInstaller.VisicomMedia.W
14.10.1.11

File size:
5.1 MB (5,363,464 bytes)

Product version:
5.3.3.4

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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mystarttb_manycam_4998.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
4/17/2012 5:00:00 PM

Valid to:
6/21/2014 4:59:59 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 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:cOtNJEmwz+7USVtowkZYG6O/sHjmeLf+sZGGgIi0b4Fu/vmaIG7Rq+Jceu8jBOeY:cObUGhDZkZYSejbgIi0b4FkIGE++euGu

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:
7.9993

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file mystarttb_manycam_4998.exe has been seen being distributed by the following 2 URLs.

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