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 21 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:
968574b3044ba88fd9986b5e22a28481

SHA-1:
3309c0ab7e1d4d7681d656890ad07f9782838042

SHA-256:
c90954411143b27e071300c5ab8058c27a194a997550dd6021ea768ad8d1188a

Scanner detections:
21 / 68

Status:
Adware

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

Analysis date:
4/25/2024 5:49:15 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Surftastic.A
1022

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.32

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14418

Bitdefender
Adware.Surftastic.A
1.0.20.540

Comodo Security
Application.Win32.Altbrowse.AK
18124

Dr.Web
Trojan.BPlug.20
9.0.1.0108

Emsisoft Anti-Malware
Adware.Surftastic
8.14.04.18.04

ESET NOD32
Win32/BrowseFox (variant)
8.9692

F-Secure
Adware.Surftastic.A
11.2014-18-04_6

G Data
Adware.Surftastic
14.4.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3997

Malwarebytes
PUP.Optional.Surftastic.A
v2014.04.18.04

McAfee
Artemis!3E003E46449C
5600.7156

MicroWorld eScan
Adware.Surftastic.A
15.0.0.324

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59288

nProtect
Adware.Surftastic.A
14.04.17.03

Reason Heuristics
PUP.Installer.Surftastic.F
14.4.18.16

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14416

Sophos
Generic PUA CL
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10658

VIPRE Antivirus
Yontoo
28346

File size:
2 MB (2,108,624 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 1:00:00 AM

Valid to:
1/4/2015 12:59:59 AM

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 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:W/hF84TdDfDpqXsEz0g7yYgJNgK5fadbRG2/9hl8x:W/hu4TdDLpAsEz0GDgJB9adbH9hOx

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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