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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 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ClearThink  (signed and verified)

Version:
1.0.5395.23583

MD5:
12ba431aa9c2532c55a3067820e60182

SHA-1:
be3f5aba532c3e725024692f1fb9e96cfd82b92b

SHA-256:
ecf494a3a0f3d3d3dcdeab548cd6a78b387e81e026662b8570b7d617802889dd

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:
4/23/2024 3:56:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.2.1

File size:
934.2 KB (956,656 bytes)

Product version:
1.0.5395.23583

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:
8/5/2014 7:00:00 AM

Valid to:
8/6/2015 6:59:59 AM

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:
10/10/2014 4:06:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xE9702

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, 02, 00, 00, 00, 71, 00, 00, 00, 44, 97, 0E, 00, 44, 79, 0E, 00, 52, 53, 44, 53, 95, 2B, A1, DB, 6C, AE, D3, 46, 87, CB, 8D, 53, F1, B5, BA, DB, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 77, 74, 64, 63, 6E, 62, 6A, 68, 2E, 61, 70, 72, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

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

Code size:
926 KB (948,224 bytes)

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