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setup.exe

Smart Applications

This is the installer and setup program from the Smart Applications 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 Smart Applications has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
Smart Applications  (signed and verified)

MD5:
1138b85c545cad069cd2dbbb8a53757b

SHA-1:
684d2b8a729cb97d69a9932e3b33f41995c84c70

SHA-256:
f63da8bb7989c577c900c167f3998f3555e5ba6c4ed7d515cbcc143eae51e1d1

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
5/27/2024 7:17:32 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
8.3.1.6

Baidu Antivirus
Adware.Win32.PullUpdate
4.0.3.15523

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Yontoo.68
9.0.1.0143

ESET NOD32
MSIL/Adware.PullUpdate.J.gen (variant)
9.11671

K7 AntiVirus
Adware
13.204.16003

Malwarebytes
PUP.Optional.FastBrowser.A
v2015.05.23.04

NANO AntiVirus
Riskware.Nsis.Yontoo.dqgtsc
0.30.24.1636

Panda Antivirus
PUP/SpeedBrowser
15.05.23.04

Qihoo 360 Security
HEUR/QVM03.0.Malware.Gen
1.0.0.1015

Sophos
Pull Update
4.98

File size:
1.4 MB (1,498,288 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\setup.exe

Digital Signature
Signed by:
Smart Applications

Authority:
VeriSign, Inc.

Valid from:
11/13/2014 7:00:00 PM

Valid to:
11/14/2015 6:59:59 PM

Subject:
CN=Smart Applications, O=Smart Applications, L=St. James, S=St. James, C=BB

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:
4CF1C880A6746C7D0CDCB1393793A057

File PE Metadata
Compilation timestamp:
6/6/2009 5:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:A89/jVNHR5bUMXk+l1ECt7NV/EoTcczM5n6MMO1MUc4HtCHul6V1KQBhjugk6NeP:P/B7qMXdf//z+n6GcH91Nf5k6N+Nxtj

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9801

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://pc.getspeedbrowser.com/download/clkg/http/d.getspeedbrowser.com/SpeedBrowser/209001/.../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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