cleanup tior and .tmp files

bypassuac module now also cleans
the tior.exe and all the .tmp files so we have a
clean environemnt afterwards

modules/exploits/windows/local/bypassuac.rb

@@ -96,9 +96,9 @@ class Metasploit3 < Msf::Exploit::Local
     end
     session.sys.process.kill(pid)
     # delete the uac bypass payload
-    delete_file = "#{path_bypass}"
-
-    file_rm(delete_file)
+    file_rm(path_bypass)
+    file_rm("#{expand_path("%TEMP%")}\\tior.exe")
+    cmd_exec("cmd.exe", "/c del \"#{expand_path("%TEMP%")}\\w7e*.tmp\"" )
   end
 
   def path_bypass