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updatekozaka.exe.mal

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file updatekozaka.exe.mal by kozaka has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This file is typically installed with the program Kozaka by Yontoo Technology, Inc. which is a potentially unwanted software program.
Publisher:
kozaka  (signed and verified)

Version:
1.0.5200.26592

MD5:
bdb3acecce9e03287cb5d4a4aa830ec5

SHA-1:
4d6b47c80ff276eb9df2e3c6658c378f74381ff3

SHA-256:
d4760688d22d906077c4567b74d49769f171ab1bb71f3956baca53db2e41206c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/26/2024 6:54:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.kozaka (M)
16.2.13.7

File size:
340.3 KB (348,440 bytes)

Product version:
1.0.5200.26592

Original file name:
Kozaka.exe

Language:
Language Neutral

Common path:
C:\Program Files\kozaka\updatekozaka.exe.mal

Digital Signature
Signed by:
kozaka

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 5:30:00 AM

Valid to:
10/8/2014 5:29:59 AM

Subject:
CN=kozaka, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=kozaka, 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:
1B38C0B5B092B91BC43EB30DCF78B962

File PE Metadata
Compilation timestamp:
3/28/2014 9:16:40 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:oX15C4RFpCFrYxgFR41IWv8eVzN+bv0EjhV8AeHHQjWFTf5mceb1rO:oX15S5YnpFTBmQ

Entry address:
0x54D26

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:
6.0740

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

Code size:
331.5 KB (339,456 bytes)

The file updatekozaka.exe.mal has been discovered within the following program.

Kozaka  by Yontoo Technology, Inc.
This is a variant of the Web Cake/Lucky Leap adware. It is a web browser extension that will modify the user's home and search providers as well as display contextual and popup advertising in the browser.
kozaka.net/support
86% remove it
 
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