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setup_b5256bcd04a94ae7ba0870572acb98b7.exe

Smart Applications

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application setup_b5256bcd04a94ae7ba0870572acb98b7.exe by Smart Applications has been detected as adware by 20 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:
e0985890b4fece6ea39ebec19bb27212

SHA-1:
c72232e7693ec9cb739070ad29058eda02de8ea9

SHA-256:
5357fa1469ae2de7c9e6e8796016f21562deabd36dec0447b685977d24539b24

Scanner detections:
20 / 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:
4/26/2024 9:42:36 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
8.3.1.6

Baidu Antivirus
Adware.Win32.PullUpdate
4.0.3.1582

Bkav FE
W32.HfsAdware
1.3.0.6979

Dr.Web
Adware.Yontoo.68
9.0.1.0214

ESET NOD32
MSIL/Adware.PullUpdate.J.gen (variant)
9.12029

K7 AntiVirus
Adware
13.207.16755

Malwarebytes
PUP.Optional.FastBrowser.A
v2015.08.02.04

NANO AntiVirus
Riskware.Nsis.Yontoo.dqgtsc
0.30.24.2668

Panda Antivirus
PUP/SpeedBrowser
15.08.02.04

Reason Heuristics
PUP.SmartApplications.Installer (M)
15.8.2.12

Sophos
Pull Update
4.98

SUPERAntiSpyware
PUP.SpeedBrowser/Variant
9716

File size:
1.4 MB (1,498,272 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\ProgramData\setup_b5256bcd04a94ae7ba0870572acb98b7.exe

Digital Signature
Signed by:
Smart Applications

Authority:
VeriSign, Inc.

Valid from:
11/13/2014 4:00:00 PM

Valid to:
11/14/2015 3:59:59 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 2:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:lXQDQJPbFi7E/YqM8zyvCMPq4s3U69/wtF2bg5iKJqBGDwugk6Ne6ONMegFk71nQ:ODYeE/Al/Vsh/g5iX5k6N+NxtQ

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:
7.9802

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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