PowerShell/docs/scan-folder.md
2024-11-08 12:40:31 +01:00

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The *scan-folder.ps1* Script
===========================
This PowerShell script scans a directory tree for malware. Requires the installation of ESET or Windows Defender.
Parameters
----------
```powershell
/home/markus/Repos/PowerShell/scripts/scan-folder.ps1 [[-path] <String>] [<CommonParameters>]
-path <String>
Specifies the file path to the folder (default is working directory).
Required? false
Position? 1
Default value "$PWD"
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./scan-folder.ps1 C:\Windows
Scanning 📂C:\Windows with ESET Antivirus...
...
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Scans a directory tree for malware
.DESCRIPTION
This PowerShell script scans a directory tree for malware. Requires the installation of ESET or Windows Defender.
.PARAMETER path
Specifies the file path to the folder (default is working directory).
.EXAMPLE
PS> ./scan-folder.ps1 C:\Windows
⏳ Scanning 📂C:\Windows with ESET Antivirus...
...
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$path = "$PWD")
try {
$stopWatch = [system.diagnostics.stopwatch]::startNew()
if (-not(Test-Path $path -pathType container)) { throw "Invalid file path: $path" }
$path = Resolve-Path $path
if (Test-Path "C:\Program Files\ESET\ESET Security\ecls.exe" -pathType leaf) {
"⏳ Scanning 📂$path with ESET Antivirus..."
& "C:\Program Files\ESET\ESET Security\ecls.exe" $path
if ($lastExitCode -ne 0) { throw "ESET Antivirus failed with exit code $lastExitCode - POTENTIAL DANGER!!!" }
} elseif (Test-Path "C:\Program Files\Windows Defender\MpCmdRun.exe" -pathType leaf) {
"⏳ Scanning 📂$path with Windows Defender..."
& "C:\Program Files\Windows Defender\MpCmdRun.exe" -Scan -ScanType 2 -File $path
if ($lastExitCode -ne 0) { throw "Windows Defender failed with exit code $lastExitCode - POTENTIAL DANGER !!!" }
} else {
throw "Found no ESET or Windows Defender - please install one."
}
[int]$elapsed = $stopWatch.Elapsed.TotalSeconds
"✅ Scanned 📂$path in $($elapsed)s: No malware found."
exit 0 # success
} catch {
"⚠️ Error: $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 as of 11/08/2024 12:40:22)*