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mystarttb64.dll

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 module mystarttb64.dll 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. It is installed within the Mozilla Firefox web browser as part of an addin/plugin.
Publisher:
Visicom Media Inc  (signed by Visicom Media Inc.)

Product:
MyStart Toolbar

Version:
5, 0, 8, 275

MD5:
248f87eeabd4043e995bc8816240f02e

SHA-1:
8f7bf9995f17419da7fad6f35de1be1037b8cd74

SHA-256:
109dbf1f72a5723054014e3aa7d659e119450903317e0bb7d257be5594cb27ae

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:
4/25/2024 9:33:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Visicom (M)
17.2.17.7

File size:
807.3 KB (826,632 bytes)

Product version:
5.0.8.275

Copyright:
© 2014 Visicom Media Inc.

Original file name:
mystarttb.dll

File type:
Dynamic link library (Win64 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\mozilla\firefox\profiles\{user}.default\extensions\{607b689f-7600-45e4-b8e5-887f72dab15c}\mystarttb64.dll

Digital Signature
Signed by:
Visicom Media Inc.

Authority:
Thawte, Inc.

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

Valid to:
6/21/2016 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:
266F9E30991B0C3EFC03DA9B8CDDB68D

File PE Metadata
Compilation timestamp:
3/11/2014 1:37:04 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x6882C

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, C7, D0, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, AB, FE, FF, FF, CC, CC, CC, 40, 53, 48, 83, EC, 30, 48, 8B, D9, B9, 0E, 00, 00, 00, E8, 4D, 8D, 00, 00, 90, 48, 8B, 43, 08, 48, 85, C0, 74, 44, 48, 8B, 0D, 80, 60, 05, 00, 48, 89, 4C, 24, 20, 48, 8D, 15, 6C, 60, 05, 00, 48, 85, C9, 74, 1E, 48, 39, 01, 75, 0F, 48, 8B, 41, 08, 48, 89...
 
[+]

Entropy:
6.1745

Code size:
554 KB (567,296 bytes)

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