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gpcodww.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 gpcodww.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:
0051100596ac9434ca4de96d7e181a0f

SHA-1:
51c0fd92f43db5ea7cf72b07deb7e32ff1e979b5

SHA-256:
c5159408d063649671f0f547519a2e77bec3ae2e756fef41f81e445e367c0865

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:
1/11/2025 10:04:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.6.3

File size:
48.5 KB (49,656 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © Irrational Number Applications 2015

Original file name:
WebShield.exe

File type:
Executable application (Win64 EXE)

Language:
Language Neutral

Common path:
C:\ProgramData\rcodkhlzva\dat\gpcodww.exe

Digital Signature
Signed by:
Irrational Number Applications

Authority:
Symantec Corporation

Valid from:
1/20/2015 1:00:00 AM

Valid to:
3/21/2016 12:59:59 AM

Subject:
CN=Irrational Number Applications, O=Irrational Number Applications, L=St. James, S=St. James, C=BB

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
637F0A74512CF65B05B3A5A0241D6624

File PE Metadata
Compilation timestamp:
10/18/2015 3:43:20 AM

OS version:
4.0

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

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...
 
[+]

Code size:
40 KB (40,960 bytes)

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