home

Webfuii.FirstRun.exe

FirstRun

Webfuii

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application Webfuii.FirstRun.exe 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)

Product:
FirstRun

Version:
1.0.0.0

MD5:
928e5d911c9b0baaa5e0d59fdd32aa1d

SHA-1:
e7e8fc0028ed9452c8c0e66baa70d51ac60a0690

SHA-256:
23d46d6c238e612e65c115c1cf306f56c1661f22f1671f930e8685f25dee8e7e

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
4/19/2024 6:22:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.Webfuii (M)
15.10.25.22

File size:
1.7 MB (1,757,464 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
Webfuii.FirstRun.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\webfuii\webfuii.firstrun.exe

Digital Signature
Signed by:
Webfuii

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 3:00:00 AM

Valid to:
10/8/2014 2:59:59 AM

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:
3/12/2014 3:29:37 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:bCkFv2PpWYSyL4laVInIHEwwhe0A//VinkTQKJnbGYXlN/C9sQkfl6lsSwR8/RL7:bCZB0LOIs+0/EbKJn6Y1EWNMs6/V

Entry address:
0x1ACCF6

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:
7.9565

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

Code size:
1.7 MB (1,748,480 bytes)

Remove Webfuii.FirstRun.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.