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:
6a796ea8e4d0b05ef0ecd5de5bb916ba

SHA-1:
b88d2410419c0bde5c072878de4a93308fdaff10

SHA-256:
8d7e952ed43830b26dccb6e30e40037e9c4b453ec0c58f495fbe57cd27c8a43b

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 2:50:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.2.9.23

File size:
4.2 MB (4,352,656 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:
7/14/2013 11:09:44 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:J+nkXw+QxIk6PBu9tRTtXPHjxehpGA/UarIQuw0bNCPAe1:skbY9rtRTtXvjuGfkJulbNyV

Entry address:
0x324D

Entry point:
49, 81, F8, F9, 60, 95, EA, B2, 4D, 1A, CE, F6, C3, 48, 71, 0B, 80, CD, E9, 81, D3, 95, 81, 9D, 30, 85, C1, C7, C7, 95, 7D, 42, 23, 3B, C1, 0F, AF, F2, F6, C1, DE, 0F, AF, D0, 0F, AF, DB, 0F, B6, E9, 84, E1, 15, 1F, 1E, CC, 09, F6, C0, 75, E8, 99, 00, 00, 00, 0F, B6, EE, 0F, B7, DD, 42, 85, C3, 3B, EB, 84, C1, 8B, C6, 20, D1, 0F, BE, D3, 48, BF, 9B, 86, F7, FF, FE, CA, 81, EA, D1, 04, AE, FA, 88, FD, 81, EF, 61, 07, 00, 00, 69, CD, FE, 40, 24, B9, 87, D2, 81, E2, BF, FD, B8, 73, 33, DB, 81, E9, FA, 6E, 3D...
 
[+]

Entropy:
7.9990  (probably packed)

Code size:
23 KB (23,552 bytes)

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

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