home

pacman.exe

DownloadManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application pacman.exe, “PacMan ” by Optimum Installer has been detected as adware by 26 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:
ADK Apps  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
PacMan

Version:
2.1.15

MD5:
9693c9639c36072b32fa4207e1cc139c

SHA-1:
0e3cd12c68efd3b67dcd3e7f67565afd4f29c417

SHA-256:
0b87c97ec0ba1a3024d1a2f15e5672c790b657d5dffe96efa2ac5156f9540089

Scanner detections:
26 / 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:
4/23/2024 12:17:38 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
2014.08.25

Avira AntiVirus
Adware/iBryte.JH.2
7.11.168.254

avast!
Win32:Installer-J [PUP]
2014.9-160119

AVG
Adware Skodna.Generic
2017.0.2860

Clam AntiVirus
Win.Adware.Ibryte-76
0.98/19305

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
19305

Dr.Web
Adware.iBryte.3
9.0.1.019

ESET NOD32
Win32/Adware.iBryte.D application
10.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
1/19/2016

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

G Data
Win32.Adware.OptimumInst
16.1.24

IKARUS anti.virus
PUA.OptInstall
t3scan.1.7.5.0

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.794

Malwarebytes
PUP.Optional.IBryte
v2016.01.19.06

McAfee
Adware-FOO
5600.6516

NANO AntiVirus
Riskware.Win32.Agent.csoeby
0.28.2.61721

nProtect
Trojan/W32.Agent.687400
14.08.24.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.1.19.6

Rising Antivirus
PE:Malware.Agent!6.33F
23.00.65.16117

Sophos
iBryte Optimum Installer
4.98

Trend Micro House Call
HV_OPTIMUM_CG090002.RDXN
7.2.19

Vba32 AntiVirus
Adware.iBryte
3.12.26.3

VIPRE Antivirus
Threat.4778314
32210

Zillya! Antivirus
Adware.iBryte.Win32.296
2.0.0.1900

File size:
669.8 KB (685,864 bytes)

Product version:
2.1.15

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\pacman.exe

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/11/2012 2:00:00 AM

Valid to:
11/8/2013 12:59:59 AM

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:
1/9/2013 8:41:11 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:iexhH6HiUVUEPVCWpj7Vy5bwmF6KpvoI+QcGcf7S5DGbJpIUeVG9:iuV6HiUVTPVCWuwmFNvoI7cjSdGgUqw

Entry address:
0x4D4E5

Entry point:
E8, DE, C9, 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, 57, CA, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 54, 99, 49, 00, E8, F6, 38, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 23, 91, 00, 00, 6A, 01, 6A, 00, E8, 56, CD, 00, 00, 83, C4, 0C, E9, 37, CC, 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, 9B, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, BF, AF, FF, FF, 83, C4, 14...
 
[+]

Code size:
424.5 KB (434,688 bytes)

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

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

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