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utilwebfuii.exe

Webfuii

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilwebfuii.exe by Webfuii has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util Webfuii”.
Publisher:
Webfuii  (signed and verified)

Version:
1.0.5468.6053

MD5:
7bc02a0ea41751ea75cfc87d66ce1957

SHA-1:
390ae132644db7756ab352d096931b38ce851c40

SHA-256:
9ea9e888d1c31ebc76663e69bca56f1ddf1d45d825a0d10a9afdcfd3eee695f7

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:
11/23/2024 6:37:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.12.4

File size:
11.1 MB (11,661,312 bytes)

Product version:
1.0.5468.6053

Original file name:
Webfuii2014122111.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\webfuii\bin\utilwebfuii.exe

Digital Signature
Signed by:
Webfuii

Authority:
VeriSign, Inc.

Valid from:
9/29/2014 9:00:00 PM

Valid to:
10/30/2015 9:59:59 PM

Subject:
CN=Webfuii, O=Webfuii, 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:
19AF95B84828288A3E662605B8C0A48C

File PE Metadata
Compilation timestamp:
12/21/2014 9:21:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7E7BA

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 50, 00, 00, 80, 00, 00...
 
[+]

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

Code size:
498 KB (509,952 bytes)

Service
Display name:
Util Webfuii

Type:
Win32OwnProcess


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