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webcakesetup.exe

WebCake

Web Cake

This file is part of the Web Cake web browser extension, an adware plugin for various web browsers designed to deliver context based advertising injected directly in the web pages a user is viewing as well opens advertisements that appear independently outside the context of the program, website, or other source the advertisements are promoting. The application webcakesetup.exe by Web Cake has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is part of the Yontoo web-extension that injects advertisements in the browser.
Publisher:
Web Cake LLC  (signed by Web Cake)

Product:
WebCake

Description:
Installer

Version:
2013.11.18.1845

MD5:
aeddb0c9c7f3991d12090521ba40ec1a

SHA-1:
64516b26b91b235442cf82cb4ad5af6a50c001b5

SHA-256:
ecfa2455f500e709dd23b687bd31373d1ca44d931d822cc435359d527bd6012e

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:
4/26/2024 2:38:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.9.28.15

File size:
1.1 MB (1,199,728 bytes)

Product version:
3.00

Copyright:
Copyright (c) 2013 Web Cake LLC. All rights reserved.

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\webcakesetup.exe

Digital Signature
Signed by:
Web Cake

Authority:
VeriSign, Inc.

Valid from:
4/8/2013 7:00:00 PM

Valid to:
4/9/2015 6:59:59 PM

Subject:
CN=Web Cake, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Web Cake, L=Carlsbad, 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:
06B9035EE5A556582D9427CC2C8DD0BC

File PE Metadata
Compilation timestamp:
3/10/2011 8:55:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:ytUwrRs5vSaVoJNcnUyqPx6pT5WU8G42lxYIIymEhT+JTfSKcvzL4ltyS:+Uwte5VoJNcULUpOG44YIxMFfPcvzLCD

Entry address:
0x1627

Entry point:
55, 8B, EC, 81, EC, 58, 0B, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, A8, F4, FF, FF, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 00, 40, 40, 00, FF, 15, 70, 30, 40, 00, 89, 45, F8, 8D, 85, B8, FC, FF, FF, 50, C7, 85, B8, FC, FF, FF, 14, 01, 00, 00, FF, 15, 6C, 30, 40, 00, 85, C0, 75, 21, FF, 15, 14, 30, 40, 00, 50, 68, 30, 34, 40, 00, E8, 40, FA, FF, FF, 59, C7, 05, 04, 40, 40, 00, FF, 00, 00, 00, E9, C5, 01, 00, 00, 68, 1C, 34, 40, 00, 68, 0C, 34, 40, 00, FF, 15, 68, 30, 40, 00, 50, FF, 15, 64, 30, 40, 00, 3B...
 
[+]

Entropy:
7.9963

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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