WIP file extension is associated with CyberScrub Privacy Suite, a software package for managing web activity security developed by CyberScrub LLC and available for Windows platform. CyberScrub allows users to hide their web browsing activity and delete browsing history and cache data.

WIP files are generated by CyberScrub during data removal. WIP files usually don’t store any important data, only random bits added by the tool. WIP files are automatically deleted upon delete operation completion.