emsisoft_install_via_url.ps1 - limehawk/rmm-scripts GitHub Wiki

emsisoft_install_via_url.ps1

Downloads and installs Emsisoft Anti-Malware from a specified URL.

Overview

Downloads and installs Emsisoft Anti-Malware from a specified URL. This script is designed for deployments where the Emsisoft installer is hosted on a web server or cloud storage and needs to be deployed to endpoints via RMM.

Purpose

Prerequisites

Windows PowerShell 5.1 or PowerShell 7+
Internet connectivity to download URL
Administrator privileges recommended (for installation)
Sufficient disk space for installer download

Configuration

Required Inputs

$installerUrl - Full URL to Emsisoft installer executable

Must be a valid HTTP/HTTPS URL ending in .exe
Example: "https://dl.emsisoft.com/EmsisoftAntiMalwareSetup.exe"

$downloadPath - Local directory to download installer to

Default: $env:TEMP
Must exist and be writable

Settings

Download location: %TEMP% directory by default
Installer is executed immediately after download
Downloaded installer is NOT deleted after execution
No installation flags are passed (interactive install)

Data Sources & Priority

Hardcoded download URL - Must point to valid Emsisoft installer
Local temp directory - Default download location ($env:TEMP)

Behavior

Validates inputs (URL format, download path exists)
Extracts filename from URL
Downloads installer from specified URL
Verifies download completed successfully
Executes the installer
Reports final status

Security Notes

No secrets logged or displayed
Ensure download URL is from trusted source only
Downloaded file is executed immediately - validate URL before use
Consider using HTTPS URLs for secure downloads

Exit Codes

0 - Success (installer downloaded and executed)
1 - Failure (error during download or execution)

Example Output

[ INPUT VALIDATION ]
--------------------------------------------------------------
Validating configuration...
Download URL  : https://example.com/EmsisoftSetup.exe
Download path : C:\Users\Admin\AppData\Local\Temp
Input validation passed

[ DOWNLOAD ]
--------------------------------------------------------------
Downloading installer...
Source URL   : https://example.com/EmsisoftSetup.exe
Target file  : C:\Users\Admin\AppData\Local\Temp\EmsisoftSetup.exe
Download completed successfully

[ INSTALLATION ]
--------------------------------------------------------------
Launching installer...
Installer started : EmsisoftSetup.exe

[ FINAL STATUS ]
--------------------------------------------------------------
Download successful : Yes
Installer launched  : Yes

[ SCRIPT COMPLETED ]
--------------------------------------------------------------
Script completed successfully
Exit code : 0

Version History

v1.0.0 (2025-11-02) - Initial migration from SuperOps