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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 25 anti-malware scanners. This is a setup and installation application 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 branded browser-extension.
Publisher:
WebCake LLC  (signed by Web Cake)

Product:
WebCake

Description:
Installer

Version:
2013.5.24.1158

MD5:
e7400b9efaeb39292c00914facb00d2d

SHA-1:
dacc15c7bd5fc370bac593757f58411a3e372b82

SHA-256:
4353f9f130b8334d0d7fbc1313cdc37569614db1a66cab7948ac2b62d9244491

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
12/24/2024 3:58:04 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Webcake-A [Adw]
2014.9-131225

AVG
AdInject.WebCake
2014.0.3614

Bitdefender
Adware.WebCake.C
1.0.20.1795

Boost by Reason
Optional.WebCake.M
188838

Comodo Security
UnclassifiedMalware
17069

Dr.Web
Adware.Plugin.11
9.0.1.0359

Emsisoft Anti-Malware
Adware.WebCake
8.13.12.25.05

ESET NOD32
Win32/WebCake
7.8887

F-Secure
Adware.WebCake.C
11.2013-25-12_4

G Data
Adware.WebCake
13.12.22

IKARUS anti.virus
AdWare.Yontoo
t3scan.2.0.127

Malwarebytes
PUP.Optional.WebCake.A
v2013.12.25.05

McAfee
Artemis!E7400B9EFAEB
5600.7270

Microsoft Security Essentials
Adware:Win32/WebCake
1.163.1557.0

MicroWorld eScan
Adware.WebCake.C
14.0.0.1077

nProtect
Adware.WebCake.C
13.10.07.03

Panda Antivirus
Adware/WebCake
13.12.25.05

Quick Heal
Adware.WebCake (Not a Virus)
12.13.12.00

Reason Heuristics
PUP.Installer.WebCake.M
14.8.7.17

Rising Antivirus
Trojan.InstallRex!562A
23.00.65.131223

Sophos
Generic PUA NK
4.93

SUPERAntiSpyware
Adware.WebCake
10886

Trend Micro House Call
TROJ_GEN.R0CBH0AHI13
7.2.359

Trend Micro
TROJ_SPNR.3AJ313
10.465.25

VIPRE Antivirus
Yontoo
22178

File size:
1.2 MB (1,219,928 bytes)

Product version:
3.00

Copyright:
Copyright (c) 2013 WebCake LLC. All rights reserved.

File type:
Executable application (Win32 EXE)

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:
4/9/2013 2:00:00 AM

Valid to:
4/10/2015 1:59:59 AM

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:
3/11/2011 3:55:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:it5vopzQLD3N1stvMOuNJyKec59ETRsNVPH6ydM1GvB/VEH8Fi2BUZ:u5vusLjsjuj1ETeBHh2Irw8o0S

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...
 
[+]

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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