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clearthink.expext.dll

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module clearthink.expext.dll by ClearThink has been detected as adware by 17 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:
1.0.5468.35236

MD5:
070b4d52d048e3db6527efc666f6c8d9

SHA-1:
deeca65ef5f6127f1400781a712c02053edd711c

SHA-256:
5e9f9c70c9512d760e9e7792ad34538dcd3187a22ad157b3e4b478a8d5e3b4b3

Scanner detections:
17 / 68

Status:
Adware

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

Analysis date:
4/19/2024 3:04:22 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
6213306

AhnLab V3 Security
Trojan/Win32.Gen
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.26

AVG
Generic
2015.0.3253

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.141222

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
Adware
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.Q
14.12.22.4

VIPRE Antivirus
Threat.4741131
35418

File size:
583.7 KB (597,744 bytes)

Product version:
1.0.5468.35236

Original file name:
ClearThink.ExpExt2014122203.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\clearthink\bin\plugins\clearthink.expext.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 6:34:36 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:xUix/LpMjonBXWYSQ13G3KVatjsPsJZC+DHcPOxoeqUpso8PfO:xUiojonGMMbThlsocW

Entry address:
0x91CFA

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:
6.4581

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

Code size:
575.5 KB (589,312 bytes)

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