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updateokiitan.exe

Okiitan

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for Okiitan will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updateokiitan.exe by Okiitan has been detected as adware by 9 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update Okiitan”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Okiitan  (signed and verified)

Version:
1.0.5378.40560

MD5:
a8ff209d196401028b2580538d16739c

SHA-1:
2dc5f6363d45973eab31566dd80735b627ae37b1

SHA-256:
09addc43d9b264f325971e750a58c5cdf17f1192824a426fe562586b56a62b83

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Part of the Yontoo adware web browser extension update process.

Analysis date:
4/25/2024 1:55:47 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.173.240

AVG
Generic
2015.0.3342

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14923

ESET NOD32
Win32/BrowseFox.H potentially unwanted application
7.0.302.0

F-Prot
W32/A-db42cb3b
v6.4.7.1.166

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3207

Malwarebytes
PUP.Optional.Okiitan.A
v2014.09.23.03

Reason Heuristics
Adware.Yontoo.Service.N
14.9.23.14

VIPRE Antivirus
Threat.4741131
33120

File size:
317.8 KB (325,400 bytes)

Product version:
1.0.5378.40560

Original file name:
Okiitan.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\okiitan\updateokiitan.exe

Digital Signature
Signed by:
Okiitan

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 4:00:00 PM

Valid to:
2/4/2015 3:59:59 PM

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:
9/22/2014 4:32:30 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:OM3/h4jYJOuJikiMA41rWvcsXPN+5QvegZK+Wv3ha0o/9g3paWImVlJk8NyBEiWh:OM3/gGuzcWe3paWIWlJk8NyBEiWGxWoe

Entry address:
0x4F302

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:
6.0904

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

Code size:
309 KB (316,416 bytes)

Service
Display name:
Update Okiitan

Type:
Win32OwnProcess


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