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Whilokii.exe

Whilokii

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

Version:
1.0.5401.30587

MD5:
f788a3ec8b5a559cd3aad57c05072828

SHA-1:
a13675f24b9b946334da85ae18ce5d42b45bfe2e

SHA-256:
01795fce20d607918a5fc56b5474f6401da36b84a008d121e58d6cd47aaf0fa6

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:
4/26/2024 10:47:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.5

File size:
510.3 KB (522,520 bytes)

Product version:
1.0.5401.30587

Original file name:
Whilokii.exe

Language:
Language Neutral

Common path:
C:\Program Files\whilokii\bin\tmp4bfc.tmp

Digital Signature
Signed by:
Whilokii

Authority:
VeriSign, Inc.

Valid from:
9/18/2013 7:00:00 PM

Valid to:
9/19/2015 6:59:59 PM

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:
10/15/2014 7:59:39 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F40E

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, 02, 00, 00, 00, 5B, 00, 00, 00, 50, F4, 07, 00, 50, D6, 07, 00, 52, 53, 44, 53, 15, E3, A2, 83, E4, C8, E5, 4B, A5, 90, 86, 24, 90, 9F, 51, 35, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 69, 76, 75, 6F, 6F, 30, 67, 75, 2E, 61, 75, 33, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9225

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

Code size:
501.5 KB (513,536 bytes)

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