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instalar.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application instalar.exe, “Setup ” by Optimum Installer has been detected as adware by 30 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:
OptimumInstaller  (signed by Optimum Installer)

Product:
OptimumInstaller

Description:
Setup

Version:
2.0.7

MD5:
ea6d542401b4ceed480d26c47ff174c9

SHA-1:
82d440270b679b8caead5f2b7a6b690138bb0f1c

SHA-256:
eb31c91981198946c0f97ebad7bbecf69522135bcb212c460f860758a9875839

Scanner detections:
30 / 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:
4/24/2024 2:22:55 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.IBryte
2015.04.25

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.30.172

avast!
Win32:Installer-J [PUP]
2014.9-150424

AVG
Win.Threat.Medium
2014.0.4311

Baidu Antivirus
Adware.Win32.iBryte
4.0.3.15424

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
WIN.Adware.IBryte-29
0.98/20176

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.F
21879

Dr.Web
Adware.Downware.461
9.0.1.05190

ESET NOD32
Win32/Adware.iBryte.C application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
4/24/2015

F-Prot
W32/Optim.A.gen
v6.4.6.5.141

G Data
Win32.Adware.IBryte.AG
15.4.25

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.7.25.18

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.8.9.0

K7 AntiVirus
Adware
13.176.11770

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.2142

Malwarebytes
PUP.Bundle.Installer.OI
v2015.04.24.04

McAfee
Program.Adware-FOO
5600.6785

NANO AntiVirus
Riskware.Win32.IBryte.cspvvp
0.30.20.1219

nProtect
Trojan-Clicker/W32.iBryte.699048
14.04.15.01

Quick Heal
Adware.iBryte.CK4
4.15.14.00

Reason Heuristics
Threat.Adknowledge.Bundler
15.4.24.11

Rising Antivirus
PE:Adware.iBryte!1.6600
23.00.65.15422

Sophos
iBryte Optimum Installer
4.98

Trend Micro House Call
HV_OPTIMUM_BK0842D8.TOMC
7.2.206

Vba32 AntiVirus
Adware.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4733199
39354

Zillya! Antivirus
Adware.iBryte.Win32.135
2.0.0.2153

File size:
652.6 KB (668,256 bytes)

Product version:
2.0.7

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\instalar.exe

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
11/7/2011 9:00:00 PM

Valid to:
11/7/2012 8:59:59 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:
0809956535A889F9931BDEF10FF6814A

File PE Metadata
Compilation timestamp:
8/1/2012 2:05:16 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:xxfDgKX67CwIz1IZOYo4p7JYgcoI20DpBz4aKo/zUfpfsHfLdoop/c:xxMKsCwIz1IZOYo4RJYgcoxWSaKo/Esm

Entry address:
0x58413

Entry point:
E8, 2F, F1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 10, 8B, 4D, 08, 53, 8B, 5D, 0C, 56, 57, 33, FF, 89, 4D, F8, 89, 5D, FC, 39, 7D, 10, 74, 21, 39, 7D, 14, 74, 1C, 3B, CF, 75, 1F, E8, 35, 0B, 00, 00, 57, 57, 57, 57, C7, 00, 16, 00, 00, 00, 57, E8, 09, D2, FF, FF, 83, C4, 14, 33, C0, 5F, 5E, 5B, C9, C3, 8B, 75, 18, 3B, F7, 74, 0D, 83, C8, FF, 33, D2, F7, 75, 10, 39, 45, 14, 76, 21, 83, FB, FF, 74, 0B, 53, 57, 51, E8, BC, CA, FF, FF, 83, C4, 0C, 3B, F7, 74, B9, 83, C8, FF, 33, D2, F7, 75, 10...
 
[+]

Code size:
475 KB (486,400 bytes)

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

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

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