How to delete Undeletable virus file

1] Open Notepad.exe

2] Click File>Save As

3] locate the folder where your undeletable file is

4] Choose ‘All files’ from the file type box

5] click once on the file u wanna delete so its name appears in the ‘filename’ box 

6] put a ” at the start and end of the filename (the filename should have the extension of the undeletable file so it will overwrite it) 

7] Click save, It should ask u to overwrite the existing file, choose yes and u can delete it as normal