home

setup.exe

WebSparkle

This is the installer and setup program from the WebSparkle 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 WebSparkle has been detected as adware by 18 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:
WebSparkle  (signed and verified)

MD5:
29876f74db6fc3587f21e8cdd56f0a73

SHA-1:
a507aecdb2ddab3711f49e80616880e4ccb957e1

SHA-256:
ab91f48ee97e1e75d51a6663282fa4be6da68e81d1a9dcf494623b86ca79b315

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/26/2024 9:56:33 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.168

AVG
MalSign.Generic
2015.0.3495

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14423

Comodo Security
Application.Win32.Altbrowse.AK
18147

Dr.Web
Trojan.BPlug.20
9.0.1.0113

ESET NOD32
Win32/BrowseFox (variant)
8.9704

Fortinet FortiGate
Adware/Agent
4/23/2014

G Data
Win32.Application.BrowseFox
14.4.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3972

Malwarebytes
PUP.Optional.WebSparkle.A
v2014.04.23.04

McAfee
Artemis!29876F74DB6F
5600.7151

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59492

Reason Heuristics
PUP.Installer.WebSparkle.F
14.8.7.21

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14421

Sophos
Generic PUA GB
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10648

Trend Micro House Call
TROJ_GEN.F47V0422
7.2.113

VIPRE Antivirus
Yontoo
28484

File size:
2 MB (2,070,080 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
WebSparkle

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 12:00:00 AM

Valid to:
8/13/2015 11:59:59 PM

Subject:
CN=WebSparkle, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WebSparkle, 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:
36202DE0CBDFE10F57978E3766DB2ED4

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:vf+S8F8z/ogzcvz0gBGiJ6xFLle7ZVGET660B0Xz7483+S8l8lK:vf+Huzoi4z0u4Z0PN063+HOlK

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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