Inspect a web-installer and decrypt the server response

Description: Inspect a web-installer and decrypt the server response. The task is to get a fully readable response of the server response. Insights: - the post-request data is static and does not change - the encrypted response is different for each request with the same request data - the response lenght is equal for each request Additional - some example request & response data are attached (request sniffed with wireshark and executed with external tool). POST request URI: [login to view URL] (c-param may vary randomly; is not a timestamp!) POST data: 0A0CzutD0FtC0FtB0VtD0TtC0TtC0StD0AtC0EtC0EtN0U0I0DzutDtDtD0CtBzyyC0DtDtCzz0D0A0F0EyBtDtN0W0VzuyCtFtCtN0W0S0PzutDtN0L1T1G1Nzu0G1P1C1H1T1GtN0S2Z1T1H1EzuyEzytAzyzyyCtN1L1B0A1Q1H1L1GzutDtN0T0KzuyBzzyBzytAyB download example exe here: [login to view URL]