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Whilokii.OfSvc.dll

Whilokii

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Whilokii.OfSvc.dll by Whilokii has been detected as adware by 7 anti-malware scanners. 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:
Whilokii  (signed and verified)

Version:
1.0.5311.18511

MD5:
8ebb928ebaa9981bf329f832fe6e10a6

SHA-1:
75a4408a7b97d4f8b3f5141cbc8b3d4adcc1e3a2

SHA-256:
8d8be2ec4c398da2ee78ebc1ad807bba92c703f4425128620ab7564123be2981

Scanner detections:
7 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/19/2024 5:34:38 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.14724

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.07.24.12

Qihoo 360 Security
HEUR/Malware.QVM23.Gen
1.0.0.1015

Reason Heuristics
PUP.Whilokii.N
14.8.7.21

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
31208

File size:
1 MB (1,089,816 bytes)

Product version:
1.0.5311.18511

Original file name:
Whilokii.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Whilokii

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 10:00:00 AM

Valid to:
9/20/2015 9:59:59 AM

Subject:
CN=Whilokii, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Whilokii, 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:
5D49818D94FEA0AEA7D9B885C9BACBD7

File PE Metadata
Compilation timestamp:
7/17/2014 9:17:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:XSUb3tKlIzHPc9gaG0GBjEn6lzViyeuYUao/G8p40rwe+qql7:CUDP2GC6l8yeu8oO8kDbl7

Entry address:
0x109EC2

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:
7.6953

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

Code size:
1 MB (1,081,344 bytes)

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