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express_installer.exe

Premium Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application express_installer.exe by Premium Installer has been detected as adware by 34 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from install.optimum-installer.com.
Publisher:
ExpressInstaller  (signed by Premium Installer)

Product:
ExpressInstaller

Version:
3, 7, 1, 0

MD5:
e0c531398bcc8849872cbc23ee63b45f

SHA-1:
75d0c22ba8b1c73ccf95b296c971db7d04672a27

SHA-256:
aebb5c8344c66032dd4791666f869bbac7345a9681cb205af86f93da389fabb9

Scanner detections:
34 / 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:
4/24/2024 7:27:40 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Jatif.89
372

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
2014.10.03

Avira AntiVirus
Adware/iBryte.jcs.14
7.11.176.92

avast!
Win32:Installer-K [PUP]
2014.9-160129

AVG
Adware AdInstaller.ExpressInstall
2017.0.2850

Bitdefender
Gen:Variant.Adware.Jatif.89
1.0.20.145

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Ibryte-328
0.98/19265

Comodo Security
Application.Win32.iBryte.M
19685

Dr.Web
Adware.Downware.1503, Adware.Downware.1479
9.0.1.029

Emsisoft Anti-Malware
Gen:Variant.Adware.Jatif.89
8.16.01.29.09

ESET NOD32
Win32/AdWare.iBryte.K.gen application
10.7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
1/29/2016

F-Prot
W32/A-495a7e06
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Jatif
11.2016-29-01_6

G Data
Gen:Variant.Adware.Jatif.89
16.1.25

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.1.7.8.0

K7 AntiVirus
Riskware
13.183.13550

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.743

Malwarebytes
PUP.Optional.iBryte
v2016.01.29.09

MicroWorld eScan
Gen:Variant.Adware.Jatif.89
17.0.0.87

NANO AntiVirus
Trojan.Win32.Downware.cqiqwb
0.28.2.62440

Norman
Gen:Variant.Adware.Jatif.89
11.20160129

nProtect
Trojan-Clicker/W32.iBryte.1747608
14.10.02.01

Panda Antivirus
PUP/MultiToolbar.A
16.01.29.09

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
PUA.iBryte.DC4
1.16.14.00

Reason Heuristics
PUP.Adknowledge.PremiumInstaller.Installer (M)
16.1.29.9

Rising Antivirus
PE:Malware.iBryte!6.453
23.00.65.16127

Sophos
iBryte Optimum Installer
4.98

Vba32 AntiVirus
BScope.Malware-Cryptor.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4778314
33520

Zillya! Antivirus
Trojan.Buzus.Win32.118729
2.0.0.1941

File size:
1.7 MB (1,825,944 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:
7/12/2013 8:00:00 PM

Valid to:
8/2/2014 7:59:59 PM

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:
9/24/2013 11:34:04 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:b2ji3PZ7kxYL2Eo3tFBIOpQ9/ot+kX7mSkZsGOAb/K59R9EEofiOmB:ZAxYL2PtvW9wVLwZs959OfiF

Entry address:
0x3B7C

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, B2, 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, B0, 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:
7.1995

Code size:
103.5 KB (105,984 bytes)

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

http://install.optimum-installer.com/o/.../Express_Installer.exe

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