Option Explicit
 
'Code by Elemental Code
'Proof of concept
'SELF CRC32 CHECK
'Make sure nobody tampers with your software
'Dedicated, as always, to my Girlfriend <3
'Argentina 24/1/2012
 
Sub Main()
    Dim bArray() As Byte 'Byte Array With the code.
    Dim MySelf As String 'My exe file
    Dim mymixedcode As String 'all the bin together
    Dim MyCode() As String ' The splitted code
    Dim lCrC32 As Long 'the CRC32
    Dim clsCRC32 As New cCRC32
 
    'Get my own exe file in a way invisible to kaspersky (Fuck you)
    MySelf = Chr$(101) & Chr$(120) & Chr$(101) & Chr$(46) & StrReverse(App.EXEName) & Chr$(92) & StrReverse(App.Path)
 
    'Get my Binary code
    Open StrReverse(MySelf) For Binary As #1
    mymixedcode = Space(LOF(1))
    Get #1, , mymixedcode
    Close #1
 
    'Split My code
    MyCode() = Split(mymixedcode, "[#@$|$@#]")
    '0 My file | 1 Right CRC32
 
    'Convert to Byte array
    bArray() = StrConv(MyCode(0), vbFromUnicode)
 
    'Get CRC32
    lCrC32 = clsCRC32.GetByteArrayCrc32(bArray)
 
    'Compare CRC32
    If Hex(lCrC32) = MyCode(1) Then
        MsgBox "Success!!" & vbCrLf & "CRC32 Match, You are using the ORIGINAL Software" & vbCrLf & "Press OK to launch the application", vbExclamation, "SELF CRC32 Checker v 0.1"
        'Show your Form HERE!!
    Else
        MsgBox "ERROR: CRC32 MISSMATCH!!" & vbCrLf & "CRC32 Missmatch means this file was edited!!" & vbCrLf & "GET THE ORIGINAL ONE NOW!!", vbCritical, "SELF CRC32 Checker v 0.1"
    End If
End Sub

[#@$|$@#]

[#@$|$@#]5186AC9D

http://www.mediafire.com/?2qb7tnzkt9gu159