Pen drive when you insert in any infected pc then suddenly it will convert in shortcuts your all important data will be lost and if you insert again it will pop up “You need to format the disk” so don’t worry there is few step you have to done and your pen-drive will be recovered again:
Step 1: Go to Start button and right click or press win+r
Step 2: CMD right click “Run As Administrator”
Step 3: Now type the drive letter what it will be like k:
Step 4: Now Type attrib -h -r -s /s /k press “Enter and wait for few seconds”
Step 5: Now wait after few times you will see your all important files will be restored.