How to open hardisk if infect virus

C:\>d:

D:\>dir/a/p
Volume in drive D has no label.
Volume Serial Number is 7863-F5AD

D:\>attrib -h -s -r autorun.inf

D:\>del autorun.inf

D:\>
D:\>h:

H:\>dir/a/p
Volume in drive H has no label.
Volume Serial Number is 1831-62B2

Directory of H:\

2009-01-07 17:14 $AVG8.VAULT$
2009-01-07 10:57 595 autorun.inf
2009-01-02 08:45 backup
2006-11-07 07:18 RECYCLER
2006-11-03 06:39 System Volume Information
1 File(s) 595 bytes
4 Dir(s) 36,439,891,968 bytes free