How to remove Java.Trojan.Downloader.OpenConnection.AJ?

5 Answers

  • 9 years ago
    Favorite Answer

    You have an old version of Java that has been used in a malware attack

    First download ATF For cleaning of Temp Files & the Java cache


    Please download Malwarebytes’ Anti-Malware to your desktop.

    Click the Free Version

    Double-click mbam-setup.exe and follow the prompts to install the program.

    At the end, be sure a checkmark is placed next to the following:

    Update Malwarebytes’ Anti-Malware

    Launch Malwarebytes’ Anti-Malware

    Then click Finish.

    If an update is found, it will download and install the latest version.

    Once the program has loaded, select Perform quick scan, then click Scan.

    When the scan is complete, click OK, then Show Results to view the results.

    Be sure that everything is checked, and click Remove Selected.

    If it asks for a Restart DO SO, Very Important

    Malwarebytes’ Tutorial


    Uninstall all Java in

    XP-Add/Remove Programs

    Vista/7-Programs and features

    Use JavaRa to clean out old versions of Java>HERE-

    Then look for the following Java folders and if found delete them:

    C:\Program Files\Java

    C:\Program Files\Common Files\Java


    C:\Documents and Settings\All Users\Application Data\Java

    C:\Documents and Settings\All Users\Application Data\Sun\Java

    C:\Documents and Settings\username\Application Data\Java

    C:\Documents and Settings\username\Application Data\Sun\Java

    Then install new Java—>HERE-

    After the install is complete, go into the Control Panel (using Classic View) and double-click the Java Icon. (looks like a coffee cup)

    On the General tab, under Temporary Internet Files, click the Settings button.

    Next, click on the Delete Files button

    There are two options in the window to clear the cache – Leave BOTH Checked

    Applications and Applets

    Trace and Log Files

    Click OK on Delete Temporary Files Window

    Note: This deletes ALL the Downloaded Applications and Applets from the CACHE.

    Click OK to leave the Temporary Files Window

    Click OK to leave the Java Control Panel.

    To test your Java Run-time, you may go to this page HERE-

    A great tool that can be used to scan your computer for outdated and vulnerable programs is the free Secunia Online Software Inspector program.

  • 3 years ago


    Source(s): Amazing Protection Antivirus Software :
  • 3 years ago

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  • Anonymous
    9 years ago

    Follow this removal guide it works for all kinds of trojan viruses:

    If it doesn't work, ask for help here:

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