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ClearThink.CompatibilityChecker.dll

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ClearThink.CompatibilityChecker.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:
1.0.5377.11523

MD5:
91ba3ae60877f8783e1759e02a59937e

SHA-1:
9e44c3eff57f5001b526de11803f0bb5f01a983e

SHA-256:
d31744fd6f9f33c2bf259d1512273afaa2dce37251346640e12dc127e99410ba

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
5/4/2024 6:07:20 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3343

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.14922

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3212

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.09.22.01

Panda Antivirus
Trj/Chgt.G
14.09.22.01

Qihoo 360 Security
HEUR/Malware.QVM23.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.ClearThink.EE
14.9.22.10

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
33120

File size:
57.2 KB (58,608 bytes)

Product version:
1.0.5377.11523

Original file name:
ClearThink.CompatibilityChecker.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 2:00:00 AM

Valid to:
8/6/2015 1:59:59 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:
9/21/2014 9:24:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:gC2mODjPpactWOysGxbDBMvGFbnvXZnY4J:lAPAcIldMO9v9Y4J

Entry address:
0xE39E

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

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

Code size:
49 KB (50,176 bytes)

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