Manual unpacking of packed binary. This includes finding OEP, import reconstruction, cleaning junk entries, getting dump of unpacked binary, fixing the import table. Deliverables is unpacked binaries.
It's not too difficult, but you should have strong experience in reverse engineering, unpacking and analysing binaries.
Tools: OllyDbg, PEiD, IDA, ImpREC, PE Tools, Universal Import Fixer
The budget is up to $20