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webcakesetup.exe

Web Cake

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 23 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. By plugging into the web browser, this extension will inject advertisements both banner and context hyperlinks based on the web sites being visited. It can be installed from the program's website or it may be bundled by third-party software installation programs. It is part of the Yontoo web-extension that injects advertisements in the browser.
Publisher:
Web Cake LLC  (signed by Web Cake)

Product:
Web Cake

Description:
Installer

Version:
2013.8.1.1714

MD5:
361ed14144827f528a83f0c5a7df5a92

SHA-1:
929ec8c9eb87bae7bdc4e0f2b7a36ce42efe4ce0

SHA-256:
39ecf585ee80c7f7a1d734f111ac1c6ddeae54f313794a8f8abaeeb7f9c4413b

Scanner detections:
23 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
11/16/2024 5:50:30 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Yontoo
7.1.1

avast!
Win32:Webcake-A [Adw]
2014.9-131125

AVG
MultiDropper_c
2014.0.3644

Baidu Antivirus
Adware.Win32.WebCake
4.0.3.131220

Bitdefender
Adware.WebCake.C
1.0.20.1645

Boost by Reason
Optional.WebCake.M
188838

Comodo Security
UnclassifiedMalware
17137

Dr.Web
Adware.Plugin.11
9.0.1.0214

Emsisoft Anti-Malware
Adware.WebCake
8.13.11.25.09

ESET NOD32
Win32/WebCake
7.8944

Fortinet FortiGate
Riskware/Yontoo
11/25/2013

G Data
Adware.WebCake
13.11.22

IKARUS anti.virus
AdWare.Yontoo
t3scan.2.0.127

Malwarebytes
PUP.Optional.Yontoo
v2013.08.02.11

McAfee
Artemis!361ED1414482
5600.7270

Microsoft Security Essentials
Adware:Win32/WebCake
1.163.1557.3

MicroWorld eScan
Adware.WebCake.C
14.0.0.987

nProtect
Adware.WebCake.C
13.10.21.03

Panda Antivirus
Adware/WebCake
13.11.25.09

Reason Heuristics
PUP.Installer.WebCake.M
14.8.7.17

Rising Antivirus
Trojan.InstallRex!562A
23.00.65.131123

Trend Micro House Call
TROJ_GEN.R0CBH01J913
7.2.354

VIPRE Antivirus
Yontoo
22592

File size:
1.2 MB (1,238,504 bytes)

Product version:
3.00

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

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\webcakesetup.exe

Digital Signature
Signed by:
Web Cake

Authority:
VeriSign, Inc.

Valid from:
4/8/2013 5:00:00 PM

Valid to:
4/9/2015 4:59:59 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 6:55:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:3tSg2ahEHI5M1jWn0mrjwJfJ2yOrD7glsi5A55jHbUFGc1BtQk:9Sg+HItn0mrjw9J21DclTwBbeGcFQk

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:
7.9965

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file webcakesetup.exe has been seen being distributed by the following URL.

http://dl-cdn.getwebcake.com/install/.../WebCakesetup.exe

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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