Startup program entry details:

SunJavaUpdateSched (jusched.exe)

This page expands upon the information already available for this entry in the Pacman's Portal Windows start-up programs database.

Not required or not recommended - typically infrequently used tasks that can be started manually if necessary

For further information on how to identify and disable startup programs please visit the Introduction page.

Description:

Checks with Oracle's (was Sun Microsystems) Java updates site to see if newer Java versions are available. Recommended that you leave this enabled due to potential Java vulnerabilities and exploits that may be used by malware writers

Startup information:

Registry (Start → Run → regedit)

• Key(s): HKLM\Run
• Name: SunJavaUpdateSched
• Data:
  • Up to version 5 Update 20: "C:\Program Files\Java\jre1.5.0_<version>\bin\jusched.exe"
  • Version 6 to 6 Update 7: "C:\Program Files\Java\jre1.6.0_<version>\bin\jusched.exe"
  • Version 6 Update 10 to 6 Update 17: "C:\Program Files\Java\jre6\bin\jusched.exe"
  • Version 6 Update 18 onwards: "C:\Program Files\Common Files\Java\Java Update\jusched.exe"

MSConfig (Start → Run → msconfig → Startup)

• Startup Item (XP): jusched
• Startup Item (Vista/7):
  • Version 6 to 6 Update 17: Java(TM) Platform SE 6 U<version>
  • Version 6 Update 18 onwards: Java(TM) Platform SE Auto Updater 2 0
• Command:
  • Up to version 5 Update 20: "C:\Program Files\Java\jre1.5.0_<version>\bin\jusched.exe"
  • Version 6 to 6 Update 7: "C:\Program Files\Java\jre1.6.0_<version>\bin\jusched.exe"
  • Version 6 Update 10 to 6 Update 17: "C:\Program Files\Java\jre6\bin\jusched.exe"
  • Version 6 Update 18 onwards: "C:\Program Files\Common Files\Java\Java Update\jusched.exe"

Windows Defender (Start → All Programs → Windows Defender → Tools → Software Explorer)

• Name:
  • Up to version 5 Update 10: Java(TM) 2 Platform Standard Edition 5.0 Update <version>
  • Version 5 Update 11 to Update 20: Java(TM) 2 Platform Standard Edition 5.0 U<version>
  • Version 6 to 6 Update 17: Java(TM) Platform SE 6 U<version>
  • Version 6 Update 18 onwards: Java(TM) Platform SE Auto Updater 2 0
• Startup Value:
  • Up to version 5 Update 20: "C:\Program Files\Java\jre1.5.0_<version>\bin\jusched.exe"
  • Version 6 to 6 Update 7: "C:\Program Files\Java\jre1.6.0_<version>\bin\jusched.exe"
  • Version 6 Update 10 to 6 Update 17: "C:\Program Files\Java\jre6\bin\jusched.exe"
  • Version 6 Update 18 onwards: "C:\Program Files\Common Files\Java\Java Update\jusched.exe"

HijackThis (HJT) log examples:

O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_20\bin\jusched.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_10\bin\jusched.exe"

Other information:

• File location:
  • Up to version 5 Update 20: %ProgramFiles%\Java\jre1.5.0_<version>\bin
  • Version 6 to 6 Update 7: %ProgramFiles%\Java\jre1.6.0_<version>\bin
  • Version 6 Update 10 to 6 Update 17: %ProgramFiles%\Java\jre6\bin
  • Version 6 Update 18 onwards: %ProgramFiles%\Common Files\Java\Java Update
• File properties "Description":
  • Version 5: Java(TM) 2 Platform Standard Edition binary
  • Version 6 to 6 Update 17: Java(TM) Platform SE binary
  • Version 6 Update 18 onwards: Java(TM) Update Scheduler
• Purpose: Update scheduler
• Program disable option: Start → Control Panel → Java → Update → deselect "Check for Updates Automatically" (only available for 32-bit versions - see here)
• Shortcut(s) available: None
• Vendor/Publisher: Sun Microsystems, Inc./Oracle
• Product(s): J2SE Runtime Environment
• Tested: Yes

Note:

• %ProgramFiles% - refers to the Program Files folder; typically the path is C:\Program Files
• HKLM refers to HKEY_LOCAL_MACHINE
• The disable option

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