unalz (A decompression utility for alz)

unalz is an open source program that can decompress alz files.
alz is an archive format developed for alzip.
Alzip is an archiver that can compress/decompress in such formats
as zip, rar, alz, and etc.

Here is a tip : UHC is the same as CP949, and CP949 contains the
EUCKR character set.