:: steamwebhelper Killer by AveYo, all right reserved
:: copy to a steam.bat inside Steam folder, and launch this instead of steam.exe

@ECHO OFF
PUSHD %~dp0
SET "REPEAT_TASK_EVERY_MINUTES=2"
:: Set task to start two minutes later. needed because a system task cannot be started ondemand with the SCHTASKS /Run command :(
CALL :SCHEDULE_TIME
:: create task to kill steamwebhelper's minions every 4 minutes - using system account so the taskkill cmd prompt is not visible
CALL SCHTASKS /create /ru "System"  /TN steamwebhelper_killer /TR "TASKKILL /F /IM steamwebhelper.exe /T" /SC MINUTE /MO %REPEAT_TASK_EVERY_MINUTES% /ST %SCHEDULETIME% /F
:: launch steam.exe and wait for it
echo INFO: steamwebhelper's are killed every %REPEAT_TASK_EVERY_MINUTES% minutes.
echo INFO: If you want this prompt hidden, use something like hidebat.vbs in the shortcut target...
START "" /WAIT Steam.exe
:: delete task after closing Steam so it only runs while Steam is running
SCHTASKS /Delete /TN steamwebhelper_killer /F


:: Set schedule to start in two minutes
goto :EOF
:SCHEDULE_TIME
SET STIME=%TIME: =0%
SET H=%STIME:~0,2% &SET M=%STIME:~3,2%
IF [%H:~0,1%]==[0] SET H=%H:~1,1%
IF [%M:~0,1%]==[0] SET M=%M:~1,1%
IF %M% GEQ 58 IF %H% GEQ 23 SET "H=00" &SET "M=00"
IF %M% GEQ 58 IF %H% LEQ 22 SET /A H+=1 &SET "M=00"
IF %M% LEQ 57 SET /A M+=2
IF NOT [%H:~0,1%]==[0] IF %H% LEQ 9 SET "H=0%H%"
IF NOT [%M:~0,1%]==[0] IF %M% LEQ 9 SET "M=0%M%"
SET SCHEDULETIME=%H%:%M%:00
goto :EOF