W32/AutoRun-WI is a worm for the Windows platform.

When run W32/AutoRun-WI copies itself to:

Windows\CSRSS.exe
Root\Home Video.avi.exe
Root\CSRSS.exe
Windows\Home Video.exe
Windows\System.exe
Temp\winlogon.exe

and creates the files:
Root\autorun.inf - detected as Mal/AutoInf-A
Windows\autorun.inf - detected as Mal/AutoInf-A

More information can be found at this Sophos page.