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clearthinkuninstall.exe

ClearThink

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthinkuninstall.exe by ClearThink has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program ClearThink by ClearThink. This file is typically installed with the program ClearThink by Yontoo Technology, Inc. which is a potentially unwanted software program. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
ClearThink  (signed and verified)

MD5:
042b9f9568cd43c905d1a85e97ef87a4

SHA-1:
46ae9879361e0bac99ba017711b71139364a0ad7

SHA-256:
abd415ae5ec06d18b72857fd9cedd62499c25dbd5cd1211191e397b52f3198c4

Scanner detections:
8 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (clearthink) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
4/25/2024 6:55:52 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3342

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14923

Clam AntiVirus
Win.Adware.Linkular-1
0.98/19422

Dr.Web
Trojan.BPlug.181
9.0.1.05190

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

Reason Heuristics
Adware.Yontoo.ClearThink.T
14.9.23.11

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
32938

File size:
253.5 KB (259,584 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\clearthink\clearthinkuninstall.exe

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 7:00:00 PM

Valid to:
8/5/2015 6:59:59 PM

Subject:
CN=ClearThink, O=ClearThink, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1200063ED04B1DA36F7FE204B3DD8617

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:rZ+11diNy/1RWBT5QHxP6bVI8y2wZm/G/Hcps:UiNs1s15QHh4I8vp/G/8m

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8653

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
ClearThink

Display publisher:
ClearThink

Display version:
2014.09.22.001915

Uninstall string:
C:\Program Files\ClearThink\ClearThinkuninstall.exe


The file clearthinkuninstall.exe has been discovered within the following program.

ClearThink  by Yontoo Technology, Inc.
ClearThink is an advertising supported (adware) extension that runs in the context of the user's web browser as well as a process in the background.
useclearthink.com/support
83% remove it
 
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