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kozaka.expext.exe

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application kozaka.expext.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:
1.0.6242.39491

MD5:
a783ace1d77e7bf16b4bdfff22d58a70

SHA-1:
6fe71169c52b7b4e82f71b49e407e02d7ff89670

SHA-256:
aaf26bbe517170e72318cbfe0f5be6aea76ab4ec49763742fb1ab0c2f3fe7b5d

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:
12/24/2024 12:16:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.8.10

File size:
99.2 KB (101,608 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
kozaka

Authority:
VeriSign, Inc.

Valid from:
9/29/2014 7:00:00 PM

Valid to:
10/30/2015 6:59:59 PM

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:
2/12/2015 12:37:33 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x561E

Entry point:
E8, AB, 3C, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 64, 7F, 41, 00, FF, 15, 4C, 20, 41, 00, 85, C0, 75, 18, 56, E8, 2F, 08, 00, 00, 8B, F0, FF, 15, 68, 20, 41, 00, 50, E8, DF, 07, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 91, 41, 00, 00, 74, 05, E9, CD, 3C, 00, 00, 57, 8B...
 
[+]

Code size:
65.5 KB (67,072 bytes)

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