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setup.exe

SpadeCast

This is the installer and setup program from the SpadeCast branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by SpadeCast has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
SpadeCast  (signed and verified)

MD5:
1e6abd6574d6cf755a29af1203befa04

SHA-1:
8abd93e9a22f987fb051504e794f55f273daedca

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/24/2024 4:59:47 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.Altbrowse.AK
18113

Dr.Web
Trojan.BPlug.17
9.0.1.0113

ESET NOD32
Win32/BrowseFox (variant)
8.9682

G Data
Win32.Application.BrowseFox
14.4.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3973

Malwarebytes
PUP.Optional.SpadeCast.A
v2014.04.23.08

McAfee
Artemis!1E6ABD6574D6
5600.7152

NANO AntiVirus
Riskware.Win32.Agent.crkvek
0.28.0.59288

Reason Heuristics
PUP.Installer.SpadeCast.F
14.4.23.8

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14421

Sophos
Generic PUA JH
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10648

Trend Micro House Call
TROJ_GEN.F47V0415
7.2.113

VIPRE Antivirus
Yontoo
28262

File size:
2 MB (2,103,360 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
SpadeCast

Authority:
VeriSign, Inc.

Valid from:
1/12/2014 1:00:00 AM

Valid to:
1/13/2015 12:59:59 AM

Subject:
CN=SpadeCast, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SpadeCast, L=San Diego, 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:
7BB64460053C27D48933A64C1DF97E74

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:kKruF80RBhWqH13643/z0gakyuHyjumWZGxMGk2wKD+Srul8:kKau0RBQApPz0rkyIy3iGqGk2wKD+SaO

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 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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