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express_installer.exe

Premium Installer

This is published and distributed via an Adknowledge's advertising supported (adware) software installer. The application express_installer.exe by Premium 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 secure.oinstaller9.com.
Publisher:
ExpressInstaller  (signed by Premium Installer)

Product:
ExpressInstaller

Version:
3, 7, 1, 0

MD5:
753499fb8a7bc7cc545e24a101396fde

SHA-1:
5de00a5c5924bba9e491fc10e522772a845ae13a

SHA-256:
3211bc2cf0ddb5ad3272f41e810aac5db37a92a1a390b61e4d42687b37624b5c

Scanner detections:
25 / 68

Status:
Adware

Explanation:
This setup/installer bundles various adware components.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 5:54:58 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
14.10.01

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.148.48

avast!
Win32:Installer-K [PUP]
140929-0

AVG
Adware Generic5.AHDX
2014.0.4025

Clam AntiVirus
Win.Adware.Ibryte-328
0.98/19460

Comodo Security
Application.Win32.iBryte.M
18237

Dr.Web
Adware.Downware.1489, Adware.Downware.1479
9.0.1.05190

ESET NOD32
Win32/AdWare.iBryte.K.gen application
7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
10/1/2014

F-Prot
W32/Ibryte.G.gen
v6.4.6.5.141

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

K7 AntiVirus
Trojan
13.177.12013

Kaspersky
not-a-virus:AdWare.Win32.iBryte
15.0.0.494

Malwarebytes
PUP.Optional.iBryte
v2014.10.01.07

NANO AntiVirus
Trojan.Win32.Downware.cqiqwb
0.28.0.59608

nProtect
Trojan-Clicker/W32.iBryte.1747608
14.04.14.02

Panda Antivirus
PUP/MultiToolbar.A
14.10.01.07

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.PremiumInstaller.R
14.10.1.7

Rising Antivirus
PE:AdWare.Win32.Fednu.ef!1075354751
23.00.65.14929

Sophos
iBryte Optimum Installer
4.98

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.26.0

VIPRE Antivirus
Optimum Installer
28978

Zillya! Antivirus
Trojan.Buzus.Win32.118759
2.0.0.1781

File size:
1.6 MB (1,668,248 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:
Premium Installer

Authority:
VeriSign, Inc.

Valid from:
7/13/2013 1:00:00 AM

Valid to:
8/3/2014 12:59:59 AM

Subject:
CN=Premium Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Premium 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:
35BB74B905C01CE61DA131BA49337F33

File PE Metadata
Compilation timestamp:
9/20/2013 9:31:39 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:tcgxxAdkrm7jgu9IxXXLfvj8aXZKnyMUdQ8W32+9BcfB:7aKqwjj8AZKfv32Cu

Entry address:
0x4A3C

Entry point:
E8, FB, 35, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 5C, C2, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 44, C0, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63...
 
[+]

Entropy:
5.1629

Code size:
107 KB (109,568 bytes)

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

https://secure.oinstaller9.com/o/.../Express_Installer.exe

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