Timer-1

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        ProgressBar1.Maximum = Conversions.ToString(ListBox1.Items.Count)
        total.Text = Conversions.ToString(ListBox1.Items.Count)

        If Not ProgressBar1.Value = ProgressBar1.Maximum Then
            Try

                ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1
                TextBox1.Text = ListBox1.SelectedItem.ToString
            Catch ex As Exception
            End Try



            Try

                Dim scanbox As New TextBox
                Dim read As String = My.Computer.FileSystem.ReadAllText("viruslist.txt")
                ProgressBar1.Increment(1)
                Detected.Text = Conversions.ToString(ListBox2.Items.Count)
                files.Text = Conversions.ToString(ProgressBar1.Value)
                scanbox.Text = read.ToString
                Dim md5 As MD5CryptoServiceProvider = New MD5CryptoServiceProvider
                Dim f As FileStream = New FileStream(ListBox1.SelectedItem, FileMode.Open, FileAccess.Read, FileShare.Read, 8192)
                f = New FileStream(ListBox1.SelectedItem, FileMode.Open, FileAccess.Read, FileShare.Read, 8192)
                md5.ComputeHash(f)
                Dim hash As Byte() = md5.Hash
                Dim buff As StringBuilder = New StringBuilder
                Dim hashByte As Byte
                For Each hashByte In hash
                    buff.Append(String.Format("{0:X2}", hashByte))
                Next

                If scanbox.Text.Contains(buff.ToString) Then



                    ListBox2.Items.Add(ListBox1.SelectedItem)
                End If
            Catch ex As Exception
            End Try
        Else
            Timer1.Stop()
            MsgBox("Finished Scanning Folder!")
            TabControl1.SelectTab(3)
            If ListBox1.Items.Count = 0 Then
                MsgBox("No Threats were detected, Scan Window will close!", MsgBoxStyle.Information)

            End If
        End If
    End Sub