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 27 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:
f5d1d8f426c85a1f36ccd7ee6161444c

SHA-1:
e2350620e7975d7865da46502bcc48968d4c41b3

SHA-256:
6ecaf04711c290842b45dcdaff3a5e7edc2a63d25aa7af1562dc717201e619eb

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/24/2024 3:09:07 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.911120
1010

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
Adware/Agent.248037
7.11.144.114

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14430

Bitdefender
Adware.Generic.911120
1.0.20.600

Comodo Security
Application.Win32.Altbrowse.AK
18135

Dr.Web
Trojan.BPlug.20
9.0.1.0120

Emsisoft Anti-Malware
Adware.Generic.911120
8.14.04.30.11

ESET NOD32
Win32/BrowseFox (variant)
8.9701

Fortinet FortiGate
Adware/Agent
4/30/2014

F-Secure
Adware.Generic.911120
11.2014-30-04_4

G Data
Adware.Generic.911120
14.4.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11806

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3935

Malwarebytes
PUP.Optional.Surftastic.A
v2014.04.30.11

McAfee
Artemis!F5D1D8F426C8
5600.7144

MicroWorld eScan
Adware.Generic.911120
15.0.0.360

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59288

Quick Heal
AdWare.Agent.ahbx (Not a Virus)
4.14.12.00

Reason Heuristics
PUP.Installer.Surftastic.F
14.4.30.23

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14428

Sophos
Generic PUA IB
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10633

Trend Micro House Call
TROJ_GEN.F47V0323
7.2.120

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
28420

File size:
966.5 KB (989,672 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):
24576:D5enb6F84TKkAhDRiYwR+Q+YAuMeddDXSPeR5snb6l8c:teWF84TKkAdRiOBDedhAWl8c

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 file setup.exe has been seen being distributed by the following URL.

http://install-cdn.surftastic.net/setup.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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