Kozaka.OfSvc.dll

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Kozaka.OfSvc.dll 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:
1.0.5391.3250

MD5:
155e7830d3c8f4aac9aad5ed479c3411

SHA-1:
c00e91bb2f8fed4f4fcbd48bd5691d95d7433d72

SHA-256:
13bb0b6d2b03c49ffe61a2fb26aa0c41af5cf9a4e3d52213c26c72f1f2bb23b0

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:
12/23/2024 11:33:39 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.23

File size:
1.2 MB (1,274,600 bytes)

Product version:
1.0.5391.3250

Original file name:
Kozaka.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\kozaka\bin\plugins\kozaka.ofsvc.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

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

Valid to:
10/30/2015 8:59:59 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:
10/4/2014 11:48:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1371A6

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

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

Code size:
1.2 MB (1,266,176 bytes)

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