home

setup.exe

Surftastic

This is the installer and setup program from the Surftastic 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 Surftastic has been detected as adware by 22 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:
Surftastic  (signed and verified)

MD5:
65471415012949f496f3c0025623e58f

SHA-1:
6aa241380a7328f0126ebae39e5610b727062d02

SHA-256:
4fc9bc5b57d977694fe549b7dcf2652b7e50075e91965d59563b6948eaec01e2

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/24/2024 4:57:36 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Surftastic.A
1018

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.202

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14423

Bitdefender
Adware.Surftastic.A
1.0.20.565

Comodo Security
Application.Win32.Altbrowse.AK
18152

Dr.Web
Trojan.BPlug.20
9.0.1.0113

Emsisoft Anti-Malware
Adware.Surftastic
8.14.04.23.08

ESET NOD32
Win32/BrowseFox (variant)
8.9709

F-Secure
Adware.Surftastic.A
11.2014-23-04_4

G Data
Adware.Surftastic
14.4.24

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

Malwarebytes
PUP.Optional.Surftastic.A
v2014.04.23.08

McAfee
Artemis!2E9049E1B546
5600.7152

MicroWorld eScan
Adware.Surftastic.A
15.0.0.339

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59492

nProtect
Adware.Surftastic.A
14.04.22.01

Reason Heuristics
PUP.Installer.Surftastic.F
14.4.23.8

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14421

Sophos
Generic PUA AG
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10648

Trend Micro House Call
TROJ_GE.E05E03A0
7.2.113

VIPRE Antivirus
Yontoo
28526

File size:
2 MB (2,119,632 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:
Surftastic

Authority:
VeriSign, Inc.

Valid from:
1/3/2014 12:00:00 AM

Valid to:
1/3/2015 11:59:59 PM

Subject:
CN=Surftastic, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Surftastic, 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:
117C1C381BA3522C50659E614BB20D99

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:pF84Tvuptnz0gC9VgGRHiWYoXaI8FDQz9D1g7iOnPl8x:pu4TvupZz0JHvGLczzSimOx

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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