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:
d2afbe5eb5d6be3bd3aed4a8c3e6bb1f

SHA-1:
3ea44dfc5dad363cecd37ab5f77233bc951c28aa

SHA-256:
66f574c52b1ea218d780d0c9a1ebcdac9121cdc722edf557c0a913b350172f23

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/19/2024 4:04:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.911120
1023

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
Adware/Agent.248037
7.11.143.254

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14417

Bitdefender
Adware.Generic.911120
1.0.20.535

Comodo Security
Application.Win32.Altbrowse.AK
18115

Dr.Web
Trojan.BPlug.20
9.0.1.0107

Emsisoft Anti-Malware
Adware.Generic.911120
8.14.04.17.10

ESET NOD32
Win32/BrowseFox (variant)
8.9687

Fortinet FortiGate
Adware/Agent
4/17/2014

F-Secure
Adware.Generic.911120
11.2014-17-04_5

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
13.176.11784

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.4000

Malwarebytes
PUP.Optional.Surftastic.A
v2014.04.17.10

McAfee
Artemis!D2AFBE5EB5D6
5600.7157

MicroWorld eScan
Adware.Generic.911120
15.0.0.321

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
14.4.17.22

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14415

Sophos
Generic PUA IB
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10659

Trend Micro House Call
TROJ_GEN.F47V0416
7.2.107

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
28314

File size:
761.6 KB (779,896 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:
1/2/2014 9:00:00 PM

Valid to:
1/3/2015 8:59:59 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 7:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:RrfN7/zs8s1s15AB/G/84TKrxVf2pFAuXcDld2dzJ/o4HX0bNkCMlEQ/zs8s1s1i:R75Y8s6F84TKn0AuMedzJfHX0bUEKY8s

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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