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webshield64.exe

Web Shield

Irrational Number Applications

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application webshield64.exe by Irrational Number Applications has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Irrational Number Applications  (signed and verified)

Product:
Web Shield

Description:
WebShield

Version:
1.0.0.0

MD5:
ae65f7e9088c0e5e248e4ff9dab1be3a

SHA-1:
2b7c07cb4c8de32f75d1c5da41de9b1f3dbdd61f

SHA-256:
f5dc1357db11ab2b5378def2eff8365b4f20d82ba85f4d26b0148c409784e086

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:
12/25/2024 5:20:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.IrrationalNumberApplications (M)
15.11.2.14

File size:
48.9 KB (50,048 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © Irrational Number Applications 2014

Original file name:
WebShield.exe

File type:
Executable application (Win64 EXE)

Language:
Language Neutral

Common path:
C:\ProgramData\webshield\webshield64.exe

Digital Signature
Signed by:
Irrational Number Applications

Authority:
VeriSign, Inc.

Valid from:
2/25/2014 7:00:00 PM

Valid to:
2/26/2015 6:59:59 PM

Subject:
CN=Irrational Number Applications, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Irrational Number Applications, L=St. James, S=St. James, C=BB

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:
68A3A4FCF1FE292BB14A5717D3754944

File PE Metadata
Compilation timestamp:
10/14/2014 2:43:39 PM

OS version:
4.0

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:TqV74t9N9ccMH/MYPU9h7Qd2d6PtD3hF9RJKhe:294ufMYPU9pQdicfRcI

Entry address:
0xBF6E

Entry point:
48, A1, 00, 20, 00, 40, 00, 00, 00, 00, FF, E0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
7.6489

Code size:
40 KB (40,960 bytes)

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