Decrypt secured JAVA data

it's highly secured encrypted data. there's no key. i don't know the method. all i can offer is the encrypted data. decrypt the first line to prove you can do it, and the job is yours here's part data following Rar! Ï s ú t@ 8 ( Ë óÂ%sp‹YC 3 [login to view URL] ° ™PÌÌý wÐ/ƒ ·´¬Ñ@ …dŒ0€° ÝaÇmØÁi ™ "P$¨ìžõ@”I )L1$Ò WET]‹ZÎ ó™Â™~7 :Žg0~?Û÷‚¹ÓøŠ ;Ft Åù3Ì×Á– WŒù ºDìÁÎÏOG¿ÜäB)6 cÏ|æ#øjµÆ¥. ã ˜Qxk žÜ( Öu¢j2w÷‰­æ>ægU† :Taªþ íJcÂÛh{hçÁ U ¹lQîlô ÝPÙè] !É 2`Ž}"" ˜àˆ/ª °vQ5×›Kº3;¦† ö Cû¸^)eì—}«eùìÔ$Gô)6æs|m ¢Xá#ÂM´RCL _R Ý ÛÄ é\ B-c‡ÖyÁö ¦=K^YE: ÄuK ½J ’ýJœ… ¼{+Ï \ @¹êTäH:Ú*RïP i'ÿ“•›R«ê®›TB™ âršÈh&\UR[:¿ š’?+ ÂC矊g '+„SzÕ4­eÅךÇVߎ ¶8~ïæ"ºj3ÅõÍ æî‹£\o’³škb?¥Ãu <A q¡Ø(GÁ­öd_ÇóË ¿è¾ ûúDPúšà GÐ8Ìtß