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 14 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:
c9c6882b050416c17f100111dd3330c7

SHA-1:
ea0c0114b15cbda75c3964f5786462041515abfb

SHA-256:
387361b2fbe3e62357cb5f78e6c17f2718368af720d09d9a48e83b90327c3ddf

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
12/24/2024 3:57:05 PM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.Altbrowse.AK
17863

Dr.Web
Trojan.BPlug.20
9.0.1.065

ESET NOD32
Win32/BrowseFox (variant)
8.9486

Fortinet FortiGate
Adware/Agent
3/6/2014

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.2.2.29

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.4213

Malwarebytes
PUP.Optional.Surftastic.A
v2014.03.06.09

McAfee
Artemis!2A8635B0D2B1
5600.7200

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.58101

Reason Heuristics
PUP.Installer.Surftastic.F
14.2.27.18

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14304

Sophos
Generic PUA OA
4.98

Trend Micro House Call
TROJ_GE.E3BEBB0B
7.2.65

VIPRE Antivirus
Adware.Agent
26946

File size:
2.7 MB (2,818,936 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 7:00:00 PM

Valid to:
1/3/2015 6:59:59 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 5:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:1f2WF84TqAdRiOu14RUZz0gPTtpuU6sIgtF86fud0hTVh9j6lRfWl8W:92Wu4TqWR/I4RMz0iqsIgtWczRVrj6xM

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:
7.9986

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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