Shake 4:
D-350-JWN-154-SBI-334-FOX-170-QWZ-V9B
EDIT: This serial for v. 4.0 does not work for me (mrdav). Used the crack I uploaded instead.

Shake 4.1 Retail:
D-337-BFX-154-SBI-260-QQL-170-QWZ-V9B