setup.exe

Scan Tack

This is the installer and setup program from the Scan Tack 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 Scan Tack has been detected as adware by 18 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.
Remove setup.exe - Powered by Reason Core Security
Publisher:
Scan Tack  (signed and verified)

MD5:
4792c165f94fca0a1b252fe1edb1cd95

SHA-1:
018c46abbe0b9834ba9944304ba2d9f18e867ed1

SHA-256:
911c9ec68d4a0fcca2d0d09b1157c5f9dc7115bac8fbb98bdcc0fbf2916d9c21

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
12/11/2016 3:25:09 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.Y
969

Antiy Labs AVL
Trojan/Win32.TSGeneric
1.0.0.1

AVG
BrowseFox
2015.0.3447

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14610

Bitdefender
Adware.SwiftBrowse.Y
1.0.20.805

Emsisoft Anti-Malware
Adware.SwiftBrowse.Y
8.14.06.10.12

ESET NOD32
Win32/BrowseFox (variant)
8.9922

Fortinet FortiGate
Riskware/BrowseFox
6/10/2014

F-Secure
Adware.SwiftBrowse.Y
11.2014-10-06_3

Malwarebytes
PUP.Optional.ScanTack.A
v2014.06.10.12

McAfee
Artemis!E4757D475897
5600.7103

MicroWorld eScan
Adware.SwiftBrowse.Y
15.0.0.483

nProtect
Adware.SwiftBrowse.Y
14.06.10.01

Reason Heuristics
PUP.Installer.ScanTack.F
14.6.10.12

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14608

SUPERAntiSpyware
Adware.BrowseFox/Variant
10552

Trend Micro House Call
TROJ_GE.31395C52
7.2.161

VIPRE Antivirus
Yontoo
30152

Remove setup.exe - Powered by Reason Core Security
File size:
2.1 MB (2,151,808 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:

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 1:00:00 AM

Valid to:
1/23/2015 12:59:59 AM

Subject:
CN=Scan Tack, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Scan Tack, 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:
44D91A3142283CE62B23F23C84838B0D

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:jplxwt8Gqdtz0gkfwRgpfdzQUjuhrOq2oQkPzKqcIBpf8:LxtGkz0xAwhQ4uhrObkbKqceO

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)

Remove setup.exe - Powered by Reason Core Security