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instagram_downloader_setup.exe

DownloadManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application instagram_downloader_setup.exe, “Instagram ” by Optimum Installer has been detected as adware by 32 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from install2.optimum-installer.com.
Publisher:
DownloadManager  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
Instagram

Version:
3.1.5

MD5:
a30e48f320bcde293648d138ffdef517

SHA-1:
ebf0a3ba9ef5e61a6134281e43898063788386a1

SHA-256:
2eaf0c7b1002eb4da4f77c95a99497f7cbae0738180b063415ad9750714230cd

Scanner detections:
32 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/25/2024 9:22:17 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.497870
397

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.IBryte
2014.12.06

Avira AntiVirus
Adware/iBryte.456987
7.11.193.22

avast!
Win32:Installer-J [PUP]
2014.9-160104

AVG
Adware Skodna.Generic
2017.0.2875

Bitdefender
Application.Generic.497870
1.0.20.20

Clam AntiVirus
WIN.Adware.Ibryte-122
0.98/19730

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
20283

Dr.Web
Adware.Downware.921
9.0.1.04

Emsisoft Anti-Malware
Application.Generic.497870
8.16.01.04.06

ESET NOD32
Win32/Adware.iBryte.F application
10.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
1/4/2016

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

F-Secure
Application.Generic.497870
11.2016-04-01_2

G Data
Application.Generic.497870
16.1.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.8.5.0

K7 AntiVirus
Adware
13.186.14254

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.869

Malwarebytes
Adware.IBryte
v2016.01.04.06

McAfee
Adware-FOO
5600.6531

MicroWorld eScan
Application.Generic.497870
17.0.0.12

NANO AntiVirus
Riskware.Win32.Agent.csnqjy
0.28.6.63850

Norman
Application.Generic.497870
11.20160104

nProtect
Trojan-Clicker/W32.iBryte.702760
14.12.05.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.1.4.6

Rising Antivirus
PE:Malware.Agent!6.176
23.00.65.16102

Sophos
iBryte Optimum Installer
4.98

Vba32 AntiVirus
Adware.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4778314
35418

Zillya! Antivirus
Adware.iBryte.Win32.405
2.0.0.1999

File size:
740.3 KB (758,056 bytes)

Product version:
3.1.5

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\instagram_downloader_setup.exe

Digital Signature
Signed by:
Optimum Installer

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:
3/11/2013 2:59:58 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:70lH7Uxir7AM0+21gnS/l3/rTkcIA0fgUFEajBRC/Gp6/yVQ:70lbUxy7AM0+21gE3/kcIA0fFFtBG1/H

Entry address:
0x518DD

Entry point:
E8, 0B, E2, 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, 84, E2, 00, 00, 83, C4, 14, 5D, C3, FF, 35, CC, 3D, 4A, 00, E8, 0E, 4F, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 3B, A7, 00, 00, 6A, 01, 6A, 00, E8, 83, E5, 00, 00, 83, C4, 0C, E9, 64, E4, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.5361

Code size:
452 KB (462,848 bytes)

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

http://install2.optimum-installer.com/o/.../Instagram_Downloader_Setup.exe

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