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 23 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:
15ec4e8ba84048ac56819553173c76e2

SHA-1:
d67d2f52367b3113b3e33050a673970f1494da00

SHA-256:
ed46a67d8460f55ba262c07ff37af7c7f752ab874f0d5a6cced74e373f542e2b

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/25/2024 3:22:34 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Surftastic.A
1017

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.176

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14424

Bitdefender
Adware.Surftastic.A
1.0.20.570

Comodo Security
Application.Win32.Altbrowse.AK
18148

Dr.Web
Trojan.BPlug.20
9.0.1.0114

Emsisoft Anti-Malware
Adware.Surftastic
8.14.04.24.11

ESET NOD32
Win32/BrowseFox (variant)
8.9705

Fortinet FortiGate
Adware/Agent
4/24/2014

F-Secure
Adware.Surftastic.A
11.2014-24-04_5

G Data
Adware.Surftastic
14.4.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3968

Malwarebytes
PUP.Optional.Surftastic.A
v2014.04.24.11

McAfee
Artemis!D4D698E73593
5600.7151

MicroWorld eScan
Adware.Surftastic.A
15.0.0.342

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59492

nProtect
Adware.Surftastic.A
14.04.21.01

Reason Heuristics
PUP.Installer.Surftastic.F
14.4.24.11

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14422

Sophos
Generic PUA HD
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10646

Trend Micro House Call
TROJ_GE.97593336
7.2.114

VIPRE Antivirus
Yontoo
28488

File size:
2 MB (2,102,608 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 2:00:00 AM

Valid to:
1/4/2015 1:59:59 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:
12/6/2009 12:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:6ZcF84TDq7/kz0gjMVJ6kM70KzHx2a9w1rDzHQCD3hl8x:scu4TDnz0liZ70C8aarvHjD3hOx

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...
 
[+]

Entropy:
7.9976

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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