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ClearThink.PurBrowse.dll

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ClearThink.PurBrowse.dll by ClearThink has been detected as adware by 10 anti-malware scanners. 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)

Version:
1.0.5353.2788

MD5:
7ef8c248d8ca932fdbc248ca0e8672b0

SHA-1:
52de41affe232ab53e62b139a8a2d9fcdc15f049

SHA-256:
557460de5bab640e051746922639b98c035b26ed554b00859302d457e860e121

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 10:14:20 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3367

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.14829

Dr.Web
Trojan.BPlug.206
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3331

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.08.29.06

McAfee
Artemis!7EF8C248D8CA
5600.7023

Panda Antivirus
Trj/Chgt.E
14.08.29.06

Qihoo 360 Security
HEUR/Malware.QVM23.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.ClearThink.T
14.8.29.15

File size:
786.7 KB (805,616 bytes)

Product version:
1.0.5353.2788

Original file name:
ClearThink.PurBrowse.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\clearthink\bin\plugins\clearthink.purbrowse.dll

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 5:00:00 PM

Valid to:
8/5/2015 4:59:59 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:
8/27/2014 7:33:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:A7MeWcZTntRkRqZnvI4wAmsEDK0wyXl0DV178Sa:A7tWcBtNvcAmwmo78j

Entry address:
0xC48E2

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:
7.3065

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

Code size:
778.5 KB (797,184 bytes)

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