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express_installer.exe

TINY INSTALLER

Tiny Installer is a download manager variant from Adknowledge that packages various adware-type offers (toolbar, coupon extensions, utilities) with software distributions. The application express_installer.exe by TINY INSTALLER has been detected as adware by 28 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from secure.oinstaller8.com.
Publisher:
ExpressInstaller  (signed by TINY INSTALLER)

Product:
ExpressInstaller

Version:
3, 7, 1, 0

MD5:
f201b0c7d92e1467e967e82d5e283b78

SHA-1:
f4d98645810cb3db560cbaaa522e7719a3473265

SHA-256:
18dea5f577e08f8d9aeb895c5db3d5b5ed3c799d19c115ffc41bd34008d5e7d1

Scanner detections:
28 / 68

Status:
Adware

Explanation:
The Tiny Installer download manager bundles various adware components.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/23/2024 9:58:33 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Buzus
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
16.01.19

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.147.26

avast!
Win32:IBryte-BY [PUP]
2014.9-160119

AVG
Adware Skodna.Bundle
2017.0.2860

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Adware.iBryte.BAA
18041

Dr.Web
Trojan.Packed.25203
9.0.1.019

ESET NOD32
Win32/AdWare.iBryte.G application
10.7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
1/19/2016

F-Prot
W32/S-53fc0c37
v6.4.7.1.166

F-Secure
Adware.Eorezo.BZ
11.2016-19-01_3

G Data
Win32.Application.Ibryte.AF
16.1.25

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11652

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.794

Malwarebytes
PUP.Optional.iBryte
v2016.01.19.05

NANO AntiVirus
Trojan.Win32.Buzus.cssrww
0.28.0.58873

nProtect
Adware/W32.Agent.1738024
14.04.03.01

Panda Antivirus
Trj/Genetic.gen
16.01.19.05

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.EK4
1.16.14.00

Reason Heuristics
PUP.Adknowledge.TINYINSTALLER.Installer (M)
16.1.19.5

Rising Antivirus
PE:Malware.Graftor!6.51B
23.00.65.16117

Sophos
PUA 'iBryte Optimum Installer'
5.15

Vba32 AntiVirus
SScope.Malware-Cryptor.iBryte
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28830

Zillya! Antivirus
Trojan.Buzus.Win32.119351
2.0.0.1776

File size:
2 MB (2,059,560 bytes)

Product version:
3, 7, 1, 0

Copyright:
Copyright (C) 2013 ExpressInstaller

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
TINY INSTALLER

Authority:
VeriSign, Inc.

Valid from:
6/2/2013 6:00:00 PM

Valid to:
6/3/2014 5:59:59 PM

Subject:
CN=TINY INSTALLER, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=TINY INSTALLER, L=Wilmington, S=Delaware, 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:
54C184C0CB6B6510B3582483FC098463

File PE Metadata
Compilation timestamp:
10/2/2013 3:01:21 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:B8vhkqfAgsujvwc+LNeQ6LS5gAX/mGRon3UhihyVUbl:eZkq4gsujb+LIQ6GmAX/E3dbl

Entry address:
0x36475

Entry point:
E8, 5E, 8C, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, F0, 5B, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, F8, 04, 5F, 00, 77, 22, 6A, 04, E8, 61, 8E, 00, 00, 59, 83, 65, FC, 00, 56, E8, C3, 9B, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, CD, 35, 00, 00, C3, 6A, 04, E8, 44, 8D, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 54, F1, 5E, 00, 00, 75, 18, E8, 99, 81, 00, 00, 6A, 1E, E8, C1, 7F, 00, 00, 68, FF, 00, 00, 00, E8, D7, 4C, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.2356

Code size:
392.5 KB (401,920 bytes)

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

http://secure.oinstaller8.com/o/.../Express_Installer.exe

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