How to Remove a Kryptik Trojan

Written by tim mammadov
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How to Remove a Kryptik Trojan
(Comstock/Comstock/Getty Images)

The Kryptik Trojan opens the "back door" of your computer to hackers once it infects a PC. The Trojan is programmed to run at every start-up, giving the hackers who originated the program access to your hard drive. In addition, this Trojan can re-create itself, making it hard to remove it completely. Delete this dangerous parasite to prevent personal data theft and computer damage.

Skill level:

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  1. 1

    Press the "Ctrl," "Shift" and "Esc" keys at the same time to start the Task Manager.

  2. 2

    Click the "Processes" tab in the Task Manager's window.

  3. 3

    Select "defender32.exe" from the list of the processes and click "End Process" at the bottom of the window.

  4. 4

    Repeat Step 3 for "bqsy.exe," "CcEvtSvc.exe," "seres.exe" and "svcst.exe."

  5. 5

    Close the Task Manager.

  1. 1

    Go to the "Start" menu, type "Regedit" in the "Start Search" box and hit "Enter" to start the Registry Editor.

  2. 2

    Click the "Edit" file menu option in the Registry Editor's window, select "Find," type the following registry string in the search field and hit "Enter":


    Delete all search results.

  3. 3

    Repeat Step 2 for the following registry entries:

    bqsy RUNNING PROGRAMsvcst.exe RUNNING PROGRAMfndn8vq.exe RUNNING PROGRAMsetup.exe 0472FB67-09DD-4E92-8262-1BFC16CDB075 055E73DE-D97D-40B7-A20C-75A5C75248A7

  4. 4

    Close the Registry Editor.

  1. 1

    Go to the "Start" menu, type "cmd" in the Start Search box and hit "Enter" to start the command line window.

  2. 2

    Type "regsvr32 /u iehelpmod.dll" in the command line window and hit "Enter" to unregister the DLL.

  3. 3

    Close the command line window.

  1. 1

    Go to the "Start" menu, type "defender32.exe" in the "Start Search" box and hit "Enter." Delete all search results.

  2. 2

    Repeat Step 1 for "bqsy.exe," "CcEvtSvc.exe," "seres.exe," "svcst.exe" and "iehelpmod.dll."

  3. 3

    Restart your computer.

Tips and warnings

  • Back up the system registry before deleting the registry entries.
  • Delete only the listed registry entries to avoid damage to the operating system.

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