Get-UnobfuscatedData.ps1

function Get-UnobfuscatedData    
{    
  param($string)    
  $data = Replacehex -string $string    
  return [System.Text.Encoding]::UTF8.GetString(([System.Convert]::FromBase64String($data)|?{$_}))    
  }
  
  function Replacehex    {    
    param($string)    
    [regex]$regex ='(\%[A-Fa-f0-9]{2})'    
    $Matches = $regex.Match($data)    
    if($Matches.Success)        
      {        
      foreach($Match in $Matches.Groups)            
        {            
        $value = $Match.value            
        $string = $string.replace($value, (Convertfrom-Hex -key $value))}}
    else        
      { # No hex characters        
      }     
    return $string    
    }
function Convertfrom-Hex
  {
  param($key) 
  return [CHAR]([CONVERT]::toint16($key.replace('%',''),16)) 
  }