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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 8 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:
05a1c7b94a1dd9a69882568c968f2e87

SHA-1:
fbaf5a775091826c70ccc09f66b7a50b16943663

SHA-256:
f43d82dfb24ab5441c7312d3e7d7fc58816257b444f4b3af22b27ee25b5d6932

Scanner detections:
8 / 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:
4/29/2024 7:28:18 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
8.3.1.6

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Yontoo.68
9.0.1.05190

ESET NOD32
MSIL/Adware.PullUpdate.J.gen application
7.0.302.0

K7 AntiVirus
Adware
13.204.16089

Malwarebytes
PUP.Optional.FastBrowser.A
v2015.05.31.11

NANO AntiVirus
Riskware.Nsis.Yontoo.dqgtsc
0.30.24.1636

Sophos
PUA 'Pull Update'
5.14

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:
11/14/2014 12:00:00 AM

Valid to:
11/14/2015 11:59:59 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 10:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:DiTNkePc9TNV8YlzvnqouOTQC4YXABnxzNjz39augk6Ne6ONMegFk71nEZ:lYKNVLzOOTe1Nda5k6N+NxtW

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:
7.9800

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://d.getspeedbrowser.com/SpeedBrowser/325/.../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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