What is Jusched.exe

SunJavaUpdateSched - Java(TM) Platform SE Auto Updater 2 0 - Sun Microsystems, Inc.

File description

Jusched.exe with description SunJavaUpdateSched is a process file from company Sun Microsystems, Inc. belonging to product Java(TM) Platform SE Auto Updater 2 0.
The file is digitally signed from Oracle America, Inc. - Symantec Time Stamping Services Signer - G4
We do not recommend removing digitally signed files from Oracle America, Inc.

What is jusched.exe?
Jusched.exe is the Java Update Scheduler. This process is installed by Sun Microsystems' Java to periodically check for updates. By default, it is installed as a service and set to start automatically.

This process is a nonessential process and can be safely terminated. Note that terminating the process will prevent automatic updates to Java. To prevent the Java Update Scheduler from starting on boot, open up the Java Control Panel and uncheck "Check for Updates Automatically. When asked if you would like to update monthly, choose "Never Update."

Dangers of jusched
As this process runs by default on any system with Java installed, it is common for virus writers and spyware vendors to disguise their malware as the genuine one.

Some malicious files will have the same name but will be stored somewhere other than in %ProgramFiles%\Java. Other malware will use a name that appears similar to it but with slight differences in spelling or with appended digits. The following malware is known to disguise itself as jusched.exe:
  • W32/Agobot-OW (Registry entry called "jusched.exe")
    • This is a network worm that spreads through network shares. It also connects to a remote IRC server to accept commands from an attacker.
  • Troj/Banker (%SystemRoot%, Startup directory)
  • Troj/DwnLdr-FUX (%SystemRoot%)
    • This is a trojan that has the capability to automatically download additional malware.
  • Troj/Flat-E (%SystemRoot%)
There should not be more than one instance of this process running at a given time. If more than one instance is running on your system, it may be a symptom of a malware infection.

Common problems
  • "jusched.exe has encountered a problem and needs to close. We are sorry for the inconvenience."
    • There are a myriad causes for this problem. Try turning off automatic updates in the Java control panel. If that does not work, reinstall Java.

Automatic startup locations

001 Running Processes
002 Autorun registry entries local machine
003 Autorun registry entries Current User
010 Installed services
034 Winlogon Shell
035 Active Setup Installed Components
073 %windir%\Tasks
191 Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run

Digital signatures found for this file

    Certificate 
105 Oracle America, Inc. - Symantec Time Stamping Services Signer - G4
95 Sun Microsystems, Inc. - VeriSign Time Stamping Services Signer - G2
11 Oracle America, Inc. - Symantec Time Stamping Services Signer - G3
8 Sun Microsystems, Inc. - VeriSign Time Stamping Services Signer
4 Oracle America, Inc. - VeriSign Time Stamping Services Signer - G2
1 Sun Microsystems, Inc. - Symantec Time Stamping Services Signer - G3

MD5 security rating in our database

370 files (Not yet rated and not signed)
66 files (Not yet rated and digitally signed)
3 files (Safe and not signed)
175 files (Safe and digitally signed)
Some versions of this filename have not yet been checked for safety.
Warning: Some malware might rename itself to jusched.exe. Always make sure that your file is from a verified publisher.

User ratings for this file

File rating: Average rating of jusched.exe: by 614 files and users.

Application errors

Fix jusched.exe application error:  Run a FREE registry scan

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