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mystarttb_manycam_5239.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_5239.exe, “MyStart Toolbar Installer” by Visicom Media has been detected as a potentially unwanted program by 6 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.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
MyStart Toolbar

Description:
MyStart Toolbar Installer

Version:
5.3

MD5:
8a1bc8870e708086c18984ffeb2b4097

SHA-1:
bfcfec14b095f1a013f0c322eb28cee7fe420f9c

SHA-256:
c8c32d82ad05ab91ee933d42a8c386aef6b7b2d0832f94ec82c1ca67e0a4712e

Scanner detections:
6 / 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 9:41:29 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Shopper.489
9.0.1.0237

ESET NOD32
Win32/Toolbar.Visicom (variant)
8.10299

Malwarebytes
PUP.Optional.MyStartTB.A
v2014.08.25.12

Reason Heuristics
PUP.MyStartToolbarInstaller.VisicomMedia.W
14.10.1.11

VIPRE Antivirus
Trojan.Win32.Generic
32450

File size:
5.3 MB (5,605,976 bytes)

Product version:
5.3.4.1

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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mystarttb_manycam_5239.exe

Digital Signature
Signed by:
Visicom Media Inc.

Authority:
Thawte, Inc.

Valid from:
5/7/2014 8:00:00 PM

Valid to:
6/20/2016 7:59:59 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:
266F9E30991B0C3EFC03DA9B8CDDB68D

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:6i4MCePYITVo3tkrcumH/6CXTOMJjmyIH/uSh75Fh1B/MwytzG9lfdBLBANs:a3Xh3WVOi4jkuShHV/Mw+iFxBAa

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_5239.exe has been seen being distributed by the following URL.

http://installer.manycam.com/.../mystartTb_manycam_5239.exe

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