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clearthink.gcupdate.dll

ClearThink

This is the Google Chrome extension manager/updater for the Yontoo ClearThink branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module clearthink.gcupdate.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:
1.0.5468.40894

MD5:
9722bfd70be6db16174400835a4597a4

SHA-1:
22027edeb6aa7a57e9fcd9b53d1e81ac5f4ea336

SHA-256:
f7fc4794de24536075c48628ba31d54a5da0bce9e286ce3c48e8da0a3f3e2979

Scanner detections:
17 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
4/25/2024 5:05:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
6213306

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
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

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.8.5.0

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
Adware.Yontoo.ClearThink.S
14.12.22.4

VIPRE Antivirus
Threat.4741131
35418

File size:
1.6 MB (1,648,368 bytes)

Product version:
1.0.5468.40894

Original file name:
ClearThink.GCUpdate2014122206.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\clearthink\bin\plugins\clearthink.gcupdate.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 9:43:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:ns2fJUeaenKFELgqdo5oLAVFGCjXnaZgHf9IbSNKEzV5GRrwcuTSONojf8wpqSrj:gaZgHCSNKEzLGBwcuStfYaWpPhD1CSFs

Entry address:
0x1924B6

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:
7.3220

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

Code size:
1.6 MB (1,639,936 bytes)

Remove clearthink.gcupdate.dll - Powered by Reason Core Security
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