Urgent!!! Encrypted 64 encoding decoding

Open this page http://www.oschina.net/code/piece_full?code=20199
This is an encrypted 64 codec,
What I want to know is that when
Krab,pwd_b64=s2oxi3cykkxhzglpuxb3m29pmdi5kusgicbpysgyocl1c3blaa==.rar.bt.td
, what is the encrypted password here?

Emergency AH!!!

Reply to discussion (solution)

There's a decode method in the code class.

Please first give evidence that pwd_b64=s2oxi3cykkxhzglpuxb3m29pmdi5kusgicbpysgyocl1c3blaa== must have been encrypted by the method you gave.

Brother, you want to see virus code to say, also ....
Then I'll just say that the ZIP code that you unpacked is

kj1#w2*ladioqpw3oi029) K Oa (Uspeh)

Buxie

Http://www.0419dm.com/images/compat.txt
Http://www.0419dm.com/images/eykj_cn.txt
Http://www.0419dm.com/images/eykj_date.txt
Http://www.0419dm.com/images/getip.txt

I uploaded, these 4 encrypted files. Solving

