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clearthink.gcupdate.dll

esuack

This is the Google Chrome extension manager/updater for the Yontoo esuack branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module clearthink.gcupdate.dll by esuack has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
esuack  (signed and verified)

Version:
1.0.5585.5256

MD5:
4c8e5347e1d022554dd092ff5a2dcd90

SHA-1:
b42782dd598bd2f9e56a4685533ffdd50ddaf625

SHA-256:
ed0a24cfc997ef3c61bf217aefd355fb3df74707acad77b52d02b06e783bb9d9

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
11/23/2024 6:23:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.7.2

File size:
1.5 MB (1,568,536 bytes)

Product version:
1.0.5585.5256

Original file name:
2015041710.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
esuack

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 2:00:00 AM

Valid to:
4/23/2015 1:59:59 AM

Subject:
CN=esuack, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=esuack, 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:
3E15E68E1D2AB32D262B79022F0F0D6E

File PE Metadata
Compilation timestamp:
4/17/2015 12:55:21 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x17EC92

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:
7.3197

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

Code size:
1.5 MB (1,560,064 bytes)

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