downloadmanager_setup.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application downloadmanager_setup.exe, “downloadmanager ” by Optimum Installer has been detected as adware by 34 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from install.optimum-installer.com.
Publisher:
OptimumInstaller  (signed by Optimum Installer)

Product:
OptimumInstaller

Description:
downloadmanager

Version:
2.0.25

MD5:
39588a7f028ddd89126774e130346a20

SHA-1:
72d1043148279a26029266ded8a5ca71434448cf

SHA-256:
039a6e23e4585f85771fd8899534ba72442885a3cfdb30936933ead4f39ee793

Scanner detections:
34 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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:
4/19/2024 7:16:49 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.353954
911

Agnitum Outpost
Adware.Generic
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
14.04.18

Avira AntiVirus
Adware/iBryte.JH.2
7.11.141.156

avast!
Win32:IBryte-AE [PUP]
2014.9-140418

AVG
Skodna.Downloader
2015.0.3501

Bitdefender
Adware.Generic.353954
1.0.20.1100

Clam AntiVirus
WIN.Adware.IBryte-10
0.98/18355

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.I
18059

Dr.Web
Adware.Downware.649
9.0.1.0108

Emsisoft Anti-Malware
Adware.Generic.353954
8.14.08.08.03

ESET NOD32
Win32/Adware.iBryte (variant)
8.9639

Fortinet FortiGate
Riskware/IBryte
4/18/2014

F-Prot
W32/Ibryte.B.gen
v6.4.7.1.166

F-Secure
Adware.Generic.353954
11.2014-08-08_6

G Data
Win32.Adware.OptimumInst
14.4.24

herdProtect (fuzzy)
2014.7.7.5

IKARUS anti.virus
AdWare.Win32.DownloadManager
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.176.11663

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3998

Malwarebytes
PUP.Bundle.Installer.OI
v2014.04.18.11

McAfee
Adware-FOO!96AD8E2F26E1
5600.7157

MicroWorld eScan
Adware.Generic.353954
15.0.0.660

NANO AntiVirus
Trojan.Win32.Downware2.csssxc
0.28.0.58873

nProtect
Trojan-Clicker/W32.Agent.595240
14.04.06.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.OptimumInstaller.V
14.8.8.3

Rising Antivirus
PE:Adware.iBryte!1.6600
23.00.65.14416

Trend Micro House Call
TSPY_OPTIMUM_BL13293A.TOMC
7.2.108

Trend Micro
TSPY_OPTIMUM_BL13293A.TOMC
10.465.18

Vba32 AntiVirus
3.12.26.0

VIPRE Antivirus
Optimum Installer
28082

Zillya! Antivirus
Adware.Agent.Win32.7963
2.0.0.1775

File size:
581.3 KB (595,240 bytes)

Product version:
2.0.25

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, 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:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
11/19/2012 11:16:37 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:bDlZNcJaOcOmbFrtWD6kFX9wwf0EhpBeIOlvXd6puC:bDlZUaOcZbFrtpkFX50EhpBTUvXhC

Entry address:
0x444F0

Entry point:
E8, 05, EB, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 7E, EB, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 6C, E1, 48, 00, E8, 7B, 4F, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, B8, A6, 00, 00, 6A, 01, 6A, 00, E8, 7D, EE, 00, 00, 83, C4, 0C, E9, 5E, ED, 00, 00, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B, DF, 77, 1E, E8, A0, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, 64, C8, FF, FF, 83, C4, 14...
 
[+]

Entropy:
6.4184

Code size:
392 KB (401,408 bytes)

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

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