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mystarttb_klcp.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_klcp.exe, “MyStart Toolbar Installer” has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from mystart.toolbarstart.com.
Publisher:
Visicom Media Inc.

Product:
MyStart Toolbar

Description:
MyStart Toolbar Installer

Version:
5.6

MD5:
4ae4860cbac5d2f89e0052df8a6fbf87

SHA-1:
b69f0b4118070b55746bd1749a382e3cfd54f848

SHA-256:
430260e81146cc3fbe8fdac9347e68ecd1d8c9d440e6cc244ed9ff9f7af7bba5

Scanner detections:
1 / 68

Status:
Adware

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:
12/26/2024 2:22:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.2.18.19

File size:
4.3 MB (4,456,926 bytes)

Product version:
5.6.0.6

Copyright:
© Visicom Media Inc. (License)

Trademarks:
Visicom Media Inc., All Rights Reserved

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mystarttb_klcp.exe

File PE Metadata
Compilation timestamp:
7/15/2013 3:09:44 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:wnkXw+QxIk6PBu9tRTtXPHjxehpGA/UarIQuw0bNCPAe1JLWKE:wkbY9rtRTtXvjuGfkJulbNyVDc

Entry address:
0x46000

Entry point:
90, 90, B9, 0C, 46, 99, 01, BE, 24, 60, 44, 00, 90, 68, 98, 05, 00, 00, 5A, FF, 34, 32, 31, 0C, 24, 8F, 04, 32, 90, 90, 4A, 83, EA, 03, 90, 90, 75, ED, 90, 90, E4, 3B, 98, 01, 0C, 46, 99, 01, 0C, 46, D9, 01, 41, 74, 99, 01, 9C, 0C, D8, 01, D2, 17, D8, 01, 0C, F6, 9B, 01, 0D, 46, 99, 01, 6C, 36, D9, 01, 36, 3F, D9, 01, 92, 3E, D9, 01, B4, 22, 99, 01, 34, 3F, 99, 01, 90, 3E, 99, 01, 6C, 26, 99, 01, 34, 3F, 99, 01, 90, 3E, 99, 01, 0C, 46, 99, 01, 0C, 46, 99, 01, 0C, 46, 99, 01, 0C, 46, 99, 01, 80, 36, D9, 01...
 
[+]

Entropy:
7.9989  (probably packed)

Code size:
23 KB (23,552 bytes)

The file mystarttb_klcp.exe has been seen being distributed by the following URL.

http://mystart.toolbarstart.com/download/.../mystartTb_klcp.exe

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