Level One
Direct Link:
http://reverse.israeltorres.org/ITwin32LevelOne-unpacked.exe
MD5 checksum:
6EFBEB6AF1AE2F6317DDB62D64C357CA  ITwin32LevelOne-unpacked.exe

Easy:
0. What is the correct result? [step 0 solved by scorche 8/20, adam 8/21, vyrus 8/31]
1. What does it decrypt to? [step 1 solved by vyrus 9/2]

Medium:
2. What is the password? [step 2 solved by vyrus 8/31]
3. What does the password mean? [step 3 solved by vyrus 8/31]

Hard:
4. How was the password composed? (algorithm used) [step 4 solved by vyrus 9/2]

Good Luck!

Israel Torres
9:14 PM 8/19/2007