clearthinkun.exe

SugarSearch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthinkun.exe by SugarSearch has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program ClearThink by ClearThink.
Publisher:
SugarSearch  (signed and verified)

Version:
1.0.0.0

MD5:
39d6943ac87b60a513e03bdcf84d7f9e

SHA-1:
5ec4035448bf220904fc6a0c1e797324ca5ace9f

SHA-256:
de6bac91a70601dca593fe7e19a82701d7a377cca84af15b97798224a173c461

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/23/2024 10:24:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.19

File size:
560.7 KB (574,200 bytes)

Product version:
1.0.0.0

Original file name:
ClearThink Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/11/2015 7:00:00 PM

Valid to:
4/10/2016 6:59:59 PM

Subject:
CN=SugarSearch, O=SugarSearch, 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:
157811536006AB535BF52112299859D6

File PE Metadata
Compilation timestamp:
6/19/2015 4:30:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x8A37E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0812

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
545 KB (558,080 bytes)

Program Uninstaller
Program name:
ClearThink

Display publisher:
ClearThink

Display version:
2014.09.02.235112

Uninstall string:
C:\Program Files (x86)\ClearThink\ClearThinkUn.exe OFS_


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