2017

Crack password on an Excel VBA Project

Please backup your files first!

Open the file(s) that contain your locked VBA Projects

Create a new xlsm file and store this code in Module1

code credited to Siwtom (nick name), a Vietnamese developer

Option Explicit
Private Const PAGE_EXECUTE_READWRITE = &H40
Private Declare Sub MoveMemory Lib "kernel32" Alias "RtlMoveMemory" _
            (Destination As Long, Source As Long, ByVal Length As Long)
Private Declare Function VirtualProtect Lib "kernel32" (lpAddress As Long, _
    ByVal dwSize As Long, ByVal flNewProtect As Long, lpflOldProtect As Long) As Long
Private Declare Function GetModuleHandleA Lib "kernel32" (ByVal lpModuleName As String) As Long

Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, _
            ByVal lpProcName As String) As Long

Private Declare Function DialogBoxParam Lib "user32" Alias "DialogBoxParamA" (ByVal hInstance As Long, _
            ByVal pTemplateName As Long, ByVal hWndParent As Long, _
            ByVal lpDialogFunc As Long, ByVal dwInitParam As Long) As Integer

    Dim HookBytes(0 To 5) As Byte
    Dim OriginBytes(0 To 5) As Byte
    Dim pFunc As Long
    Dim Flag As Boolean

    Private Function GetPtr(ByVal Value As Long) As Long
        GetPtr = Value
    End Function

    Public Sub RecoverBytes()
        If Flag Then MoveMemory ByVal pFunc, ByVal VarPtr(OriginBytes(0)), 6
    End Sub

    Public Function Hook() As Boolean
        Dim TmpBytes(0 To 5) As Byte
        Dim p As Long
        Dim OriginProtect As Long

        Hook = False

        pFunc = GetProcAddress(GetModuleHandleA("user32.dll"), "DialogBoxParamA")


        If VirtualProtect(ByVal pFunc, 6, PAGE_EXECUTE_READWRITE, OriginProtect) <> 0 Then

            MoveMemory ByVal VarPtr(TmpBytes(0)), ByVal pFunc, 6
            If TmpBytes(0) <> &H68 Then

                MoveMemory ByVal VarPtr(OriginBytes(0)), ByVal pFunc, 6

                p = GetPtr(AddressOf MyDialogBoxParam)

                HookBytes(0) = &H68
                MoveMemory ByVal VarPtr(HookBytes(1)), ByVal VarPtr(p), 4
                HookBytes(5) = &HC3

                MoveMemory ByVal pFunc, ByVal VarPtr(HookBytes(0)), 6
                Flag = True
                Hook = True
            End If
        End If
    End Function

    Private Function MyDialogBoxParam(ByVal hInstance As Long, _
            ByVal pTemplateName As Long, ByVal hWndParent As Long, _
            ByVal lpDialogFunc As Long, ByVal dwInitParam As Long) As Integer
        If pTemplateName = 4070 Then
            MyDialogBoxParam = 1
        Else
            RecoverBytes
            MyDialogBoxParam = DialogBoxParam(hInstance, pTemplateName, _
                               hWndParent, lpDialogFunc, dwInitParam)
            Hook
        End If
    End Function

Paste this code under the above code in Module1 and run it

    Sub unprotected()
        If Hook Then
            MsgBox "VBA Project is unprotected!", vbInformation, "*****"
        End If
    End Sub

Come back to your VBA Projects and enjoy.