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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, “Express Install ” by TINY INSTALLER has been detected as adware by 25 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from get.zoomdownloader.com.
Publisher:
Express Install   (signed by TINY INSTALLER)

Product:
Express Install

Description:
Express Install

Version:
3, 7, 1, 0

MD5:
24e9feae274980a388b3e5b3f502962b

SHA-1:
4bf1fef3dab3d241d733c9cd0dfa2f19c5b05e43

SHA-256:
bf4d732e464ac6182ec5e2cde3259d8f4fb75e620364198be42e31968c5a5b0e

Scanner detections:
25 / 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:
4/19/2024 4:50:16 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Buzus
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
14.04.03

Avira AntiVirus
APPL/iBryte.Gen
7.11.141.40

avast!
Win32:IBryte-BY [PUP]
2014.9-140403

AVG
Skodna.Generic
2015.0.3515

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

Dr.Web
Adware.Downware.1554
9.0.1.093

ESET NOD32
Win32/AdWare.iBryte (variant)
8.9633

Fortinet FortiGate
Riskware/PremiumInstaller
8/8/2014

G Data
Win32.Adware.Ibryte
14.4.24

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.2.2.29

K7 AntiVirus
Adware
13.176.11652

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.4070

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2014.04.03.10

NANO AntiVirus
Trojan.Win32.Buzus.ckicle
0.28.0.58873

nProtect
Trojan-Clicker/W32.iBryte.1791272
14.04.03.01

Panda Antivirus
Trj/Genetic.gen
14.08.08.03

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.TINYINSTALLER.R
14.8.15.15

Rising Antivirus
PE:Trojan.Injector!1.9C6C
23.00.65.14401

Sophos
iBryte Optimum Installer
4.98

SUPERAntiSpyware
PUP.IBryte/Variant
10435

Vba32 AntiVirus
SScope.Malware-Cryptor.iBryte
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28000

Zillya! Antivirus
Trojan.Inject.Win32.63693
2.0.0.1776

File size:
1.7 MB (1,791,272 bytes)

Product version:
3, 7, 1, 0

Copyright:
Copyright (C) 2013 Express Install

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:
11/1/2013 10:08:16 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:lfKpB7JuuWTFyeB/F6QaUd0iErLfARzmQBFEaBbXdmNv:1IJuDFy4Z9sLoRzrFBbXg

Entry address:
0x360C5

Entry point:
E8, BE, 8C, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 78, 4C, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, B8, DF, 5A, 00, 77, 22, 6A, 04, E8, C1, 8E, 00, 00, 59, 83, 65, FC, 00, 56, E8, 23, 9C, 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, A4, 8D, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 14, CC, 5A, 00, 00, 75, 18, E8, F9, 81, 00, 00, 6A, 1E, E8, 21, 80, 00, 00, 68, FF, 00, 00, 00, E8, 37, 4D, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.1365

Code size:
392 KB (401,408 bytes)

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

http://get.zoomdownloader.com/DirDownload?url=http://secure.oinstaller8.com/o/.../Express_Installer.exe

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