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clearthinkuninstall.exe

The application clearthinkuninstall.exe has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. 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.
MD5:
2dcb740c2c70aaaa308a099068525160

SHA-1:
4d6d2c5d02bb02eccd2677e00d3b8bc1afb9c022

SHA-256:
da33482b187c523ef7f1b706ca43d47c89194eb97c98d0ec0b94869ade481dbf

Scanner detections:
6 / 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:
4/24/2024 5:24:41 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14920

Clam AntiVirus
Win.Adware.Linkular-1
0.98/19410

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.ClearThink.A
v2014.09.20.10

Reason Heuristics
Adware.Yontoo.T
14.9.20.20

SUPERAntiSpyware
Adware.BrowseFox/Variant
10347

File size:
235.2 KB (240,842 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:9Z+11I2Doy/1RWBT5oz4KJHNnGxVHAxwZm/G/HcpU:d7s1s15I4KhN+pOp/G/8a

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:
7.9089

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:
2014.08.22.181153

Uninstall string:
C:\Program Files (x86)\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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