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Okiitan.BRT.dll

Okiitan

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

Version:
1.0.5391.17229

MD5:
8ffee2305e25971ef7585f93cb6fc89a

SHA-1:
a720eeb8ce8c3ca9fa9542fd4f8ef5676a951cbe

SHA-256:
79c99d37bd1f8cb97b3d1a9299a78fb63692487b5c1031d0169c35706452b4cf

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:
5/29/2024 7:31:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.15

File size:
2.1 MB (2,246,936 bytes)

Product version:
1.0.5391.17229

Original file name:
Okiitan.BRT.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\okiitan\bin\plugins\okiitan.brt.dll

Digital Signature
Signed by:
Okiitan

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 5:30:00 AM

Valid to:
2/5/2015 5:29:59 AM

Subject:
CN=Okiitan, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Okiitan, L=Santa Monica, 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:
72D4F4A7BAF3F88B2B0D2403A4F6CFDB

File PE Metadata
Compilation timestamp:
10/5/2014 4:04:35 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x22477A

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:
7.8651

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

Code size:
2.1 MB (2,238,464 bytes)

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