utilkozaka.exe

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilkozaka.exe by kozaka has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
kozaka  (signed and verified)

Version:
1.0.5649.6226

MD5:
da33ce1c8bddb839a3a5db96ebc77ab9

SHA-1:
484bd97c63e8dc40dc5387b2bb7bb907465e96f7

SHA-256:
8f01e941345920b05875cd22fe241e56191e39a055e80449a4284854967dbc4e

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:
11/23/2024 6:50:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.18

File size:
455.2 KB (466,152 bytes)

Product version:
1.0.5649.6226

Original file name:
Kozaka2015062011.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\kozaka\bin\utilkozaka.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/30/2014 3:00:00 AM

Valid to:
10/31/2015 1:59:59 AM

Subject:
CN=kozaka, 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:
7390F09118E60DB1F1FDFFFC9EFED735

File PE Metadata
Compilation timestamp:
6/20/2015 2:27:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x7185E

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:
446.5 KB (457,216 bytes)

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