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 16 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:
b165a07216b02a6e5731797fb3f0c357

SHA-1:
0eb9f30a7676bb492e2b64da9f38e6974607fd85

SHA-256:
9983739fc4047f0faf05744d283aa2c8cf22f05dc0430f27020d9c745f771e7f

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/20/2024 4:25:38 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Comodo Security
Application.Win32.Altbrowse.AK
17740

Dr.Web
Trojan.BPlug.10
9.0.1.035

ESET NOD32
Win32/BrowseFox
8.9389

Fortinet FortiGate
Adware/Agent
2/6/2014

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

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.4362

Malwarebytes
PUP.Optional.Surftastic.A
v2014.02.06.10

McAfee
Artemis!AF726A7032E0
5600.7228

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.57630

Reason Heuristics
PUP.Installer.Surftastic.F
14.2.27.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14202

Sophos
Generic PUA CL
4.97

Trend Micro House Call
TROJ_GEN.F47V0121
7.2.37

Vba32 AntiVirus
AdWare.Agent
3.12.24.3

VIPRE Antivirus
Adware.Agent
26196

File size:
873.5 KB (894,480 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 4:00:00 PM

Valid to:
1/3/2015 3:59:59 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 2:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Y6B6F84TK7AhDRiYwR+Q+xDMgkZ8Sy6l8X:9AF84TK7AdRiOhEZPl8X

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:
7.9891

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://wpc.0952.edgecastcdn.net/800952/.../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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