raman
5
The files belong to Panda(PAV.SIG,. IMscan.DLL) are false alarms(delete it)
, for the winstart001 take a look here: http://www.avast.com/forum/index.php?board=4;action=display;threadid=698;start=0
For the files which are located here: C:\System Volume Information
look here: http://vil.nai.com/vil/SystemHelpDocs/DisableSysRestore.htm
Doing this and than ask the Questions which are left over.
Edit: If you want to know more about the Panda files, make a boardsearch or Panda