[Nokia Lumia 800] rescbr:
On the WP7C there is a string "DoradoCrypt". My initial guess was that it is the Windows Media DRM cryptography, but "Dorado" is the codename for the Windows Zune application. I don't have any idea what it actually is.

Check the MTP/PTP opcode being used for sync:

0x1000: "PTP_OPCODE_UNDEFINED"
0x1001: "PTP_OPCODE_GETDEVICEINFO"
0x1002: "PTP_OPCODE_OPENSESSION"
0x1003: "PTP_OPCODE_CLOSESESSION"
0x1004: "PTP_OPCODE_GETSTORAGEIDS"
0x1005: "PTP_OPCODE_GETSTORAGEINFO"
0x1006: "PTP_OPCODE_GETNUMOBJECTS"
0x1007: "PTP_OPCODE_GETOBJECTHANDLES"
0x1008: "PTP_OPCODE_GETOBJECTINFO"
0x1009: "PTP_OPCODE_GETOBJECT"
0x100A: "PTP_OPCODE_GETTHUMB"
0x100B: "PTP_OPCODE_DELETEOBJECT"
0x100C: "PTP_OPCODE_SENDOBJECTINFO"
0x100D: "PTP_OPCODE_SENDOBJECT"
0x100E: "PTP_OPCODE_INITIATECAPTURE"
0x100F: "PTP_OPCODE_FORMATSTORE"
0x1010: "PTP_OPCODE_RESETDEVICE"
0x1011: "PTP_OPCODE_SELFTEST"
0x1012: "PTP_OPCODE_SETOBJECTPROTECTION"
0x1013: "PTP_OPCODE_POWERDOWN"
0x1014: "PTP_OPCODE_GETDEVICEPROPDESC"
0x1015: "PTP_OPCODE_GETDEVICEPROPVALUE"
0x1016: "PTP_OPCODE_SETDEVICEPROPVALUE"
0x1017: "PTP_OPCODE_RESETDEVICEPROPVALUE"
0x1018: "PTP_OPCODE_TERMINATECAPTURE"
0x1019: "PTP_OPCODE_MOVEOBJECT"
0x101A: "PTP_OPCODE_COPYOBJECT"
0x101B: "PTP_OPCODE_GETPARTIALOBJECT"
0x101C: "PTP_OPCODE_INITIATEOPENCAPTURE"
0x6101: "LUAP_OPCODE_OPENCONNECTION"
0x6102: "LUAP_OPCODE_CLOSECONNECTION"
0x6103: "LUAP_OPCODE_SENDBUFFER"
0x6104: "LUAP_OPCODE_RECEIVEBUFFER"
0x6105: "WATSON_OPCODE_RECEIVEFILE"
0x6106: "WATSON_OPCODE_CLEARDUMPS"
0x6107: "MTPZ_OPCODE_SEND_DEVICE_DATABASE"
0x6107: "MTPZ_OPCODE_SEND_DEVICE_DB"
0x6108: "POWER_OPCODE_GETGASGAUGEINFO"
0x6109: "TEST_SENDFILE_OPCODE_SENDFILEPATH"
0x610A: "TEST_SENDFILE_OPCODE_SENDFILEOBJECT"
0x610B: "TEST_SENDFILE_OPCODE_RECVFILEOBJECT"
0x9101: "JAN_OPCODE_GETSECURETIMECHALLENGE"
0x9102: "JAN_OPCODE_SETSECURETIMERESPONSE"
0x9103: "JAN_OPCODE_SETLICENSERESPONSE"
0x9104: "JAN_OPCODE_GETSYNCLIST"
0x9105: "JAN_OPCODE_SENDMETERCHALLENGEQUERY"
0x9106: "JAN_OPCODE_GETMETERCHALLENGE"
0x9107: "JAN_OPCODE_SETMETERRESPONSE"
0x9108: "JAN_OPCODE_CLEANDATASTORE"
0x9109: "JAN_OPCODE_GETLICENSESTATE"
0x910A: "JAN_OPCODE_SENDJANUSCOMMAND"
0x910B: "JAN_OPCODE_SENDJANUSREQUEST"
0x9170: "MTP_OPCODE_AAVT_OPENMEDIASESSION"
0x9171: "MTP_OPCODE_AAVT_CLOSEMEDIASESSION"
0x9172: "MTP_OPCODE_AAVT_GETNEXTDATABLOCK"
0x9173: "MTP_OPCODE_AAVT_SETCURRENTTIMEPOSITION"
0x9180: "MTP_OPCODE_WMDRMND_SENDREGISTRATIONREQUEST"
0x9181: "MTP_OPCODE_WMDRMND_GETREGISTRATIONRESPONSE"
0x9182: "MTP_OPCODE_WMDRMND_GETPROXIMITYCHALLENGE"
0x9183: "MTP_OPCODE_WMDRMND_SENDPROXIMITYRESPONSE"
0x9184: "MTP_OPCODE_WMDRMND_SENDWMDRMNDLICENSEREQUEST"
0x9185: "MTP_OPCODE_WMDRMND_GETWMDRMNDLICENSERESPONSE"
0x9201: "WMP_OPCODE_GETMODIFIEDPUIDS"
0x9202: "WMP_OPCODE_GETACQUIREDCONTENT"
0x9204: "WMP_OPCODE_COMMITFIRMWARE"
0x9212: "ARGO_OPCODE_SETHANDSHAKECHALLENGE"
0x9213: "ARGO_OPCODE_GETHANDSHAKERESPONSE"
0x9214: "ARGO_OPCODE_STARTSYNC"
0x9215: "ARGO_OPCODE_STOPSYNC"
0x9216: "ARGO_OPCODE_RESETHANDSHAKE"
0x9217: "MTPZ_OPCODE_RETRIEVEDEVICEDATABASE"
0x9218: "MTPZ_OPCODE_GETMODIFIEDITEMS"
0x9219: "MTPZ_OPCODE_GETACQUIREDITEMS"
0x921A: "MTP_OPCODE_AUTO_OPENMEDIASESSION"
0x921B: "MTP_OPCODE_AUTO_CLOSEMEDIASESSION"
0x921C: "MTP_OPCODE_AUTO_GETNEXTDATABLOCK"
0x921D: "MTP_OPCODE_AUTO_SETCURRENTTIMEPOSITION"
0x9220: "XNA_OPCODE_OPENCONNECTION"
0x9221: "XNA_OPCODE_CLOSECONNECTION"
0x9222: "XNA_OPCODE_SENDBUFFER"
0x9223: "XNA_OPCODE_RECEIVEBUFFER"
0x9224: "MTPZ_OPCODE_GET_WLAN_NIC_CAPABILITY"
0x9225: "MTPZ_OPCODE_GET_WLAN_NETWORK_LIST"
0x9226: "MTPZ_OPCODE_GET_WLAN_PROFILE_LIST"
0x9227: "MTPZ_OPCODE_SET_WLAN_PROFILE_LIST"
0x9228: "MTPZ_OPCODE_TEST_WLAN_CONFIGURATION"
0x9229: "MTPZ_OPCODE_RESET_TO_FACTORY_DEFAULTS"
0x922A: "MTPZ_OPCODE_SET_SYNC_PROGRESS"
0x922B: "MTPZ_OPCODE_PASSTHROUGH_CONTROL"
0x922C: "MTPZ_OPCODE_PASSTHROUGH_SEND_DATA"
0x922D: "MTPZ_OPCODE_PASSTHROUGH_RECEIVE_DATA"
0x922E: "MTPZ_OPCODE_MARKETPLACE_SET_CREDENTIALS"
0x922F: "MTPZ_OPCODE_GET_CLOUD_SYNC_PROGRESS"
0x9230: "MTPZ_OPCODE_CLOUD_SYNC_CONTROL"
0x9231: "MTPZ_OPCODE_SET_PROXY_INFO"
0x9232: "MTPZ_OPCODE_REPLACEOBJECT"
0x9233: "MTPZ_OPCODE_TEST_WLAN_SYNC_CONNECTION"
0x9234: "MTPZ_OPCODE_GET_DEVICE_ASSETS"
0x9240: "MANUF_OPCODE_CREATEKEYVAULT"
0x9242: "MANUF_OPCODE_BLOWFUSES"
0x9243: "MANUF_OPCODE_SETMODELID"
0x9300: "DU_OPCODE_GETASYNCOPSTATUS"
0x9301: "DU_OPCODE_CANCELASYNCOP"
0x9302: "DU_OPCODE_STARTUPDATESCAN"
0x9303: "DU_OPCODE_GETUPDATESCANRESULTS"
0x9304: "DU_OPCODE_PREINSTALLCLEANUP"
0x9305: "DU_OPCODE_STARTMAINOSPREINSTALLACTIONS"
0x9306: "DU_OPCODE_REBOOT"
0x9307: "DU_OPCODE_STARTPREBACKUPACTIONS"
0x9308: "DU_OPCODE_STARTPRERESTOREACTIONS"
0x9309: "DU_OPCODE_STARTULDRPREINSTALLACTIONS"
0x930A: "DU_OPCODE_STARTIUINSTALL"
0x930B: "DU_OPCODE_GETINSTALLRESULTS"
0x930C: "DU_OPCODE_REPORTDOWNLOADSTATUS"
0x930D: "DU_OPCODE_SETLOGGING"
0x930E: "DU_OPCODE_GETDEVICEUPDATELOG"
0x930F: "DU_OPCODE_GETDUOBJECTINFO"
0x9310: "DU_OPCODE_GETDUOBJECT"
0x9311: "DU_OPCODE_SENDDUOBJECTINFO"
0x9312: "DU_OPCODE_GETERRORLOG"
0x9313: "DU_OPCODE_PLUGIN_SYNC_GET"
0x9314: "DU_OPCODE_PLUGIN_SYNC_SET"
0x9315: "DU_OPCODE_SENDDUOBJECT"
0x9316: "DU_OPCODE_STARTPOSTBACKUPACTIONS"
0x9317: "DU_OPCODE_STARTPOSTRESTOREACTIONS"
0x9350: "MTPZ_OPCODE_SENDCSPQUERY"
0x9351: "MTPZ_OPCODE_GETCSPRESPONSE"
0x9360: "MTPZ_OPCODE_MOBILE_PSEUDOHANDSHAKE"
0x9361: "MTPZ_OPCODE_MOBILE_STARTSYNC"
0x9362: "MTPZ_OPCODE_MOBILE_STOPSYNC"
0x9363: "MTPZ_OPCODE_MOBILE_PSEUDOHANDSHAKERESET"
0x9364: "MTPZ_OPCODE_FORCE_APP_UPDATE"
0x9365: "MTPZ_OPCODE_ASYNC_FORMATSTORE"
0x9366: "MTPZ_OPCODE_ASYNC_FORMATSTORE_GETSTATUS"
0x9401: "MTPZ_OPCODE_PMX_MARKSPACE_GETCHALLENGE"
0x9402: "MTPZ_OPCODE_PMX_MARKSPACE_SETCHALLENGE"
0x9801: "MTP_OPCODE_GETOBJECTPROPSSUPPORTED"
0x9802: "MTP_OPCODE_GETOBJECTPROPDESC"
0x9803: "MTP_OPCODE_GETOBJECTPROPVALUE"
0x9804: "MTP_OPCODE_SETOBJECTPROPVALUE"
0x9805: "MTP_OPCODE_GETOBJECTPROPLIST"
0x9806: "MTP_OPCODE_SETOBJECTPROPLIST"
0x9807: "MTP_OPCODE_GETINTERDEPENDENTPROPDESC"
0x9808: "MTP_OPCODE_SENDOBJECTPROPLIST"
0x9810: "MTP_OPCODE_GETOBJECTREFERENCES"
0x9811: "MTP_OPCODE_SETOBJECTREFERENCES"
0x9888: "TEST_OPCODE_DELAYEDRESPONSE"