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Webfuii.BrowserFilter.dll

Webfuii

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

Version:
1.0.5177.26299

MD5:
f1f92bd73eefa80d5695bb3890e407e8

SHA-1:
2ef297f96789fc2e50815c9e701d04670a2f443e

SHA-256:
e3801b0634e99ab09500dd33fd994b4c54f74aa61f2d3641e2ba14d2c48b5b0d

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:
4/19/2024 3:16:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Webfuii (M)
16.2.7.18

File size:
323.8 KB (331,544 bytes)

Product version:
1.0.5177.26299

Original file name:
Webfuii.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\webfuii\bin\plugins\webfuii.browserfilter.dll

Digital Signature
Signed by:
Webfuii

Authority:
VeriSign, Inc.

Valid from:
10/6/2013 8:00:00 PM

Valid to:
10/7/2014 7:59:59 PM

Subject:
CN=Webfuii, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
658C92DE4B1AFFD7A1D69F49D0D049BA

File PE Metadata
Compilation timestamp:
3/5/2014 9:36:51 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:6n99CTUBijP/W/4NWhB6n0IFrIKsdTRAndPr2b5PxIBvcDi/OvgN:6n99CwdQN0YDxI77AdPrgPx0ci6u

Entry address:
0x50CB2

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:
7.5869

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

Code size:
315.5 KB (323,072 bytes)

Remove Webfuii.BrowserFilter.dll - Powered by Reason Core Security
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