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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:
1.0.5520.7186

MD5:
8964c4cd5eac868e8aa68327d1d5e406

SHA-1:
d22ac3dcdead91f004b00145c43746f366abdf6d

SHA-256:
15fae9cfcb688a3e33ad4dcdd939c9dd4e2f4c22b57e5c359e1cb5a7d9d5582e

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 11:18:29 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.10

File size:
2.4 MB (2,477,800 bytes)

Product version:
1.0.5520.7186

Original file name:
Kozaka.OfSvc2015021111.dll

File type:
Dynamic link library (Win32 DLL)

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

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:
2/11/2015 6:59:38 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x25CC6A

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:
2.4 MB (2,469,376 bytes)

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