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:
5.5

MD5:
524292dafdc1c832197b15ba636ea7dc

SHA-1:
2ae1c39584f971c59c7e52777a265136f7ca3964

SHA-256:
ed47cec32856ca412d63a1af464fbfbbb580c1d3fc00f6e000af010a4304e1d8

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 2:31:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.4.21.9

File size:
4.4 MB (4,618,808 bytes)

Product version:
5.5.0.2

Copyright:
© Visicom Media Inc.

Trademarks:
Visicom Media Inc., All Rights Reserved

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:otbdP/6XR9wDng3NqlTebWBuD/LskvK5/khL:OZP/6B9wDnkqTeq6LskvK5/KL

Entry address:
0x323C

Entry point:
60, B6, 2B, 68, 81, CB, 7C, 00, 34, DC, 0F, BA, F6, D1, 8D, 0D, 57, 6B, 8C, 3F, 0F, AF, C8, C7, C1, A9, 75, 98, 6C, D2, E3, 88, CD, 69, CD, 67, 3C, 45, 96, 0B, F6, 0F, BA, FF, D5, BD, BC, 8D, 01, 00, 49, 69, D0, 93, 16, 27, 23, 0F, BD, CB, 81, ED, 4A, B1, 00, 00, 0F, A5, D2, 0F, C1, F3, F7, C6, D4, F4, 11, CA, 33, C5, 0F, C1, DB, C6, C1, 16, 0F, BB, CF, 0C, 14, B3, E6, 0F, C1, C5, 03, C5, 68, 9E, C2, 8D, 00, 68, AA, D5, FC, 00, 80, FD, B8, 0F, AD, D7, 32, EA, E8, 00, 00, 00, 00, 5B, D3, CE, 0F, A4, FF, C1...
 
[+]

Entropy:
7.9977  (probably packed)

Code size:
23 KB (23,552 bytes)

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

Remove mystarttb_klcp.exe - Powered by Reason Core Security