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mystarttb_5.5.0.2_samba.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_5.5.0.2_samba.exe, “MyStart Toolbar Installer” by Visicom Media has been detected as a potentially unwanted program by 17 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 201.31.162.85 and multiple other hosts.
Publisher:
Visicom Media Inc.  (signed and verified)

Product:
MyStart Toolbar

Description:
MyStart Toolbar Installer

Version:
5.5

MD5:
663aa5dc1a25dda4fca8872277d2a025

SHA-1:
13debf166833672132b878ddd9f874805f31b125

SHA-256:
6c724d9c355d32e6e418a5420d1bb6b2be271d63eb1ab07958215da12a47d2d3

Scanner detections:
17 / 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:
12/26/2024 2:46:36 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Toolbar.Agent
7.1.1

AVG
Generic
2016.0.3039

Comodo Security
EmailWorm.Win32.Joleee.~J
21188

Dr.Web
Adware.Toolbar.283
9.0.1.0205

ESET NOD32
Win32/Toolbar.Visicom.A potentially unwanted (variant)
9.11221

Fortinet FortiGate
Riskware/Agent
7/24/2015

G Data
Win32.Application.Agent.T4QMLM
15.7.25

K7 AntiVirus
Unwanted-Program
13.198.15057

Kaspersky
not-a-virus:WebToolbar.Win32.Agent
14.0.0.1689

Malwarebytes
PUP.Optional.MyStartTB.A
v2015.07.24.06

McAfee
Artemis!663AA5DC1A25
5600.6695

NANO AntiVirus
Riskware.Nsis.Adware.dmihbl
0.30.0.296

Panda Antivirus
Generic Suspicious
15.07.24.06

Qihoo 360 Security
Win32/Virus.WebToolbar.de5
1.0.0.1015

Reason Heuristics
PUP.Visicom.VisicomMedia.Installer (M)
15.7.24.6

Trend Micro House Call
TROJ_GEN.R047H07BJ15
7.2.205

Zillya! Antivirus
Adware.Agent.Win32.43878
2.0.0.2079

File size:
4.3 MB (4,539,240 bytes)

Product version:
5.5.0.2

Copyright:
© Visicom Media Inc.

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_5.5.0.2_samba.exe

Digital Signature
Signed by:
Visicom Media Inc.

Authority:
Symantec Corporation

Valid from:
2/9/2015 2:00:00 AM

Valid to:
2/9/2017 1:59:59 AM

Subject:
CN=Visicom Media Inc., OU=Visicom Media Inc., O=Visicom Media Inc., L=Brossard, S=Quebec, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
0F7022688814C950B353E71B8D1C1D84

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:WMurPXO8B2yJDubSAjKDtDrtMuG6mQSbhnyr7xKsOrQrnzs:+OIubSAjKNtMuqQS8RKGzs

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:
7.9990

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file mystarttb_5.5.0.2_samba.exe has been seen being distributed by the following 2 URLs.

http://201.31.162.85/cache/mystart.toolbarstart.com/download/.../mystartTb_5.5.0.2_samba.exe

http://mystart.toolbarstart.com/download/.../mystartTb_5.5.0.2_samba.exe

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