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tanzuki.GCUpdate.dll

tanzuki

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

Version:
1.0.5182.28698

MD5:
5c246d695d9e8e3629833249cce9fd46

SHA-1:
7a764110abf3060609cc316a0101be74c527f24f

SHA-256:
1a052f06a901ed8e7079965d8ee1b2b9b3746e96bf2ef219e523c98f4727792b

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/26/2024 10:17:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.tanzuki (M)
16.2.9.12

File size:
449.3 KB (460,056 bytes)

Product version:
1.0.5182.28698

Original file name:
tanzuki.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
tanzuki

Authority:
VeriSign, Inc.

Valid from:
8/20/2013 9:00:00 PM

Valid to:
8/20/2015 8:59:59 PM

Subject:
CN=tanzuki, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=tanzuki, L=San Diego, 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:
5094CECD4B5D21903C384E60AC45C6C4

File PE Metadata
Compilation timestamp:
3/10/2014 1:56:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:kmJTDpEhD+uRfHW7N1H3VW2GNQvEXxeZe9I8:kmJTOhD+uR+fH3VzvEXEZkI8

Entry address:
0x70342

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...
 
[+]

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

Code size:
441 KB (451,584 bytes)

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