LockHunter - It is a free tool to delete files blocked by something you do not know.
Anvi Rescue Disk - Rescue your computer from evil claws of nasty ransomware,boot-sector virus.
IObit Unlocker - Never Worry about “Cannot Delete Files” on Your PC
Dr.Web LiveDisk - Clean your PC on malicious components, copy important information to removable data and cure infected objects with this powerful advanced tool.
EMCO UnLock IT - Unlock file or folder, locked by the system or by an application
AVG Cleaner - AVG Cleaner is an application that is developed to make your device run faster and smoother, store more data, free up memory by cleaning junk or RAM usage & stay charged for a long time.