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Webfuii.Repmon.dll

Webfuii

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Webfuii.Repmon.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:
1.0.5288.22757

MD5:
2cef46ffd60a49ac8d3303194a5e649c

SHA-1:
306571f8cc346beb09cb466c29d66ad7ae6bdf8e

SHA-256:
f82bd1d1835aba5f80ade0bd364748a3286511ca119054d2bd89827b39d13b36

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:
4/24/2024 10:05:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Webfuii (M)
16.2.7.18

File size:
110.3 KB (112,920 bytes)

Product version:
1.0.5288.22757

Original file name:
Webfuii.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\webfuii\bin\plugins\webfuii.repmon.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:
6/24/2014 9:38:43 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:635hpyGJQ2j4mXqKj6rpsoRqU2X8TifR9hFqgWc4BQ/lJGpO+v+z4/Q9Xi:G5hogQ2JqKj6/29dWI9JH+vNoi

Entry address:
0x1B77E

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:
6.1045

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

Code size:
102 KB (104,448 bytes)

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