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ClearThink.FirstRun.exe

FirstRun

ClearThink

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application ClearThink.FirstRun.exe by ClearThink has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ClearThink  (signed and verified)

Product:
FirstRun

Version:
1.0.0.0

MD5:
b40ace00ea411ac5530d4d038a6b1a5c

SHA-1:
7ba5d2a181add0f41ed76013f932f329b042dfc0

SHA-256:
189c88ba39c41700f4100a65514ad1e84dbe9a06e993126d9e003cc80a9d0e75

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
11/23/2024 6:18:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.2.17.12

File size:
1.1 MB (1,123,568 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
ClearThink.FirstRun.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 9:00:00 PM

Valid to:
8/5/2015 8:59:59 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:
9/6/2014 11:38:10 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1121D6

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 34, 03, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 50, 00, 00, 00, 5C, 40, 11, 00, D8, 02...
 
[+]

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

Code size:
1.1 MB (1,114,624 bytes)

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