blastcln.exe is a process associated with Microsoft® Windows® Operating System from Microsoft Corporation.
Blastcln.exe checks for Blaster worm infection and a Nachi infection in memory. If it finds an infection, it either ends the worm process, or it stops and deletes the service, or both.
blastcln.exe is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer