Step 1: First you need to Disable CD/DVD or USB Autorun in windows
Step 2:Now Open Winrar.exe
Step 3: Now Browse to the particular drive that is infected with Autorun.inf virus using winrar explorer.
*www.techsangv.com/wp-content/uploads/2011/04/Remove-Autorun-294x300.jpg
Step4: Now here you will see all the hidden files under winrar for that particular drive.
Step 5: Look for the file named Autorun.inf and open it using notepad.
Step 6: Now in that particular file, some .EXE file will be mentioned that will be executed along with the autorun file. This exe file is the main culprit.
Delete Autorun.exe virus file
*www.allcomputertips.com/wp-content/uploads/2010/03/Autorun-exe1.png
Step 7: Make list of all the exe file.
Step 8: Now look for that .Exe file in the drive (Ex: c:/), Delete that .exe file along with Autorun.inf
Step 9: Restart your Operating System. Now your system is free with Autorun.inf Virus.
Note:If you have this virus in your USB or any other external drive then all you need to do is repeat the same process.
