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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 16 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:
1.0.5468.40929

MD5:
c11fc3df372479e9d45e62bc4ecd8abc

SHA-1:
5716b3b53e3be63df7689bd23df0079052e58f4e

SHA-256:
1207d0344e526fef0d7d584e67b96264cfa73411f5f0e9fc01524581919fb8b4

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/25/2024 7:31:06 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
6213306

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.26

AVG
Generic
2015.0.3253

Bitdefender
Adware.SwiftBrowse.CN
1.0.20.1780

Emsisoft Anti-Malware
Adware.SwiftBrowse.CN
9.0.0.4668

ESET NOD32
MSIL/BrowseFox.L potentially unwanted application
7.0.302.0

F-Prot
W32/S-7aa9c30a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CN
5.13.68

G Data
Adware.SwiftBrowse.CN
14.12.24

K7 AntiVirus
Unwanted-Program
13.188.14395

MicroWorld eScan
Adware.SwiftBrowse.CN
15.0.0.1068

Norman
Adware.SwiftBrowse.CN
04.12.2014 14:30:06

nProtect
Adware.SwiftBrowse.CN
14.12.19.01

Reason Heuristics
PUP.ClearThink.U
14.12.22.4

VIPRE Antivirus
Threat.4741131
35418

File size:
933.2 KB (955,632 bytes)

Product version:
1.0.5468.40929

Original file name:
ClearThink.PurBrowseG2014122206.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
10/9/2014 3:00:00 AM

Valid to:
8/6/2015 2:59:59 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:
59B72B1DB71CE323997B1EAF80E12AAE

File PE Metadata
Compilation timestamp:
12/22/2014 9:44:34 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:OYftXtugY4DV8+A5tAnayMU0Uf5Ok9GXsBA0pCx:7f5tugY4DGrO9SKpCx

Entry address:
0xE93BE

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.1748

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

Code size:
925 KB (947,200 bytes)

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