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ClearThink.PurBrowseG.dll

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ClearThink.PurBrowseG.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:
1.0.5352.29926

MD5:
ebf5a5fe0adf22a52a21005d8aca33bd

SHA-1:
7fb51381ab750c1e32b4fcb0d9ae7e075583f7f2

SHA-256:
cf67e73a3a9897f44c4636a92e367f0e7e1a5f266f32b4e3bc251f7b97cf92e5

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/19/2024 2:01:07 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3368

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14828

Dr.Web
Trojan.BPlug.202
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3335

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.08.28.11

McAfee
Artemis!EBF5A5FE0ADF
5600.7024

Panda Antivirus
Trj/Chgt.E
14.08.28.11

Qihoo 360 Security
Win32/Virus.Adware.e4c
1.0.0.1015

Reason Heuristics
PUP.ClearThink.U
14.8.28.21

File size:
784.2 KB (803,056 bytes)

Product version:
1.0.5352.29926

Original file name:
ClearThink.PurBrowseG.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

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

Valid to:
8/5/2015 7:59:59 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 1:37:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:Uko0pNjXLLbChvyS8SjoLAsWWOPP3T/a3HnPorPsZ3Y:Jo0n7AvyS8Sjo5WWiDa3PEstY

Entry address:
0xC3F96

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, 01, 00, 10, 00, 00, 00, 18, 00...
 
[+]

Entropy:
7.3098

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

Code size:
776 KB (794,624 bytes)

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