HOW TO REMOVE VIRUS FROM USB WITHOUT USING ANTIVIRUS

STEP1:

1. After connecting your usb,open command prompt from start-->cmd  
2. In the command prompt type the drive leter : and press enter [ex: d:]
3. Now type dir and press enter
4. List of files in your usb will be shown

STEP 2:

1. Now open another cmd window
2. Type the drive letter,but now instead of dir  type  dir /w /a  and press enter
3. Now files with all the attributes will be shown [even hidden files will be shown ,many virus files will be hidden]
4. Now match the files with step 1
5. Any suspicious file may be a virus 
6. Some examples are

• Autorun.inf
• Ravmon.exe
• New Folder.exe
• svchost.exe

HOW TO REMOVE THE VIRUS:

1. In cmd after typing the usb drive letter [ex d:]
2. Type attrib -r -a -s -h *.* and press enter.
3. This will remove the Read Only, Archive, System and hidden file attribute from all the files.
4. Now just delete the files using the command del filename.
5. Example del Ravmon.exe.
6. Delete all the files that are suspicious.