Hi gardelvis,
1) The Aspack is an executable wrapper. That's a program that compresses an executable file and adds a short code to it that uncompresses the executable file (=program) on execution. There is nothing bad on it. Avast just reports when scanning the packed file.
2) The Blaster-C in the swapfile has no meaning. The swapfile is the "virtual memory", the place where the pieces of memory are temporarily moved when physical memory is needed. It's quite probable that the virus found there is a piece of Avast's virus database. Avast normally doesn't scan swapfiles, but on a dual-boot systems it recognizes just the swapfile of the Windows in use, not the swapfile of the inactive Windows copy. Forget the Blaster and don't scan swapfile again (put it to the Avast's scanning exceptions list).
3) If you have a file signed by Avast as infected with the Crypto virus, please send it to us (virus at asw dot cz).
Happy New Year