TrojanSpy.Win32.TRICKBOT.TIGOCFF

To terminate the malware/grayware/spyware process:

1. Scan your computer with your Trend Micro product and take note of the name of the malware/grayware/spyware detected.
2. Open Windows Task Manager. To do this, press CTRL+SHIFT+ESC.
3. View the list of all running programs. To do this:
   • For Windows 7 and Server 2008 (R2) users, click the Processes tab.
   • For Windows 8, 8.1, 10, and Server 2012 (R2) users, click the Details tab.
4. In the list of running programs, locate a malware/grayware/spyware file detected earlier.
5. Select the detected files, then press either the End Task or the End Process button, depending on the version of Windows you are using.
6. Do the same for the remaining detected malware/grayware/spyware files in the list of running programs.
7. To check if the malware/grayware/spyware process has been terminated, close Task Manager, and then open it again.
8. Close Task Manager.

To delete the registry value this malware created:

1. Open Registry Editor. To do this:
   » For Windows 7 and Windows Server 2008 (R2) users, click the Start button, type regedit in the Search input field then press Enter.
   » For Windows 8, Windows 8.1, 10, and Windows Server 2012 (R2) users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document
3. In the right panel, locate and delete the entry:
   {Default} = Sketch Document
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>DefaultIcon
5. In the right panel, locate and delete the entry:
   {Default} = {Malware Filename}.exe,1
6. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>open>command
7. In the right panel, locate and delete the entry:
   {Default} = {Malware Filename}.exe "%1"
8. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>print>command
9. In the right panel, locate and delete the entry:
   {Default} = {Malware Filename}.exe /p "%1"
10. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>printto>command
11. In the right panel, locate and delete the entry:
    {Default} = {Malware Filename}.exe /pt "%1" "%2" "%3" "%4"
12. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>.skh
13. In the right panel, locate and delete the entry:
    {Default} = Sketch.Document
14. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>.skh>ShellNew
15. In the right panel, locate and delete the entry:
    NullFile = ""
16. Close Registry Editor.

To delete registry keys this malware/grayware created:

1. Open Registry Editor. To do this:
   » For Windows 7 and Server 2008 (R2) users, click the Start button, type regedit in the Search input field then press Enter.
   » For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software
3. Still in the left panel, locate and delete the key:
   Local AppWizard-Generated Applications = ""
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software>Local AppWizard-Generated Applications
5. Still in the left panel, locate and delete the key:
   Sketch = ""
6. Again Still in the left panel, locate and delete the key:
   Sketch\Recent File List = ""
7. Again Still in the left panel, locate and delete the key:
   Sketch\Settings = ""
8. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes
9. Still in the left panel, locate and delete the key:
   Sketch.Document = ""
10. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document
11. Still in the left panel, locate and delete the key:
    DefaultIcon = ""
12. Again Still in the left panel, locate and delete the key:
    shell = ""
13. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell
14. Still in the left panel, locate and delete the key:
    open = ""
15. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>open
16. Still in the left panel, locate and delete the key:
    command = ""
17. Again Still in the left panel, locate and delete the key:
    print = ""
18. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>print
19. Still in the left panel, locate and delete the key:
    command = ""
20. Again Still in the left panel, locate and delete the key:
    printto = ""
21. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Sketch.Document>shell>printto
22. Still in the left panel, locate and delete the key:
    command = ""
23. Again Still in the left panel, locate and delete the key:
    .skh = ""
24. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>.skh
25. Still in the left panel, locate and delete the key:
    ShellNew = ""
26. Close Registry Editor.

To manually delete a malware/grayware file from an affected system:

•For Windows 7, Windows Server 2008 (R2), Windows 8, Windows 8.1, Windows 10, and Windows Server 2012 (R2):

1. Open a Windows Explorer window.
   • For Windows 7 and Server 2008 (R2) users, click Start>Computer.
   • For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower-left corner of the screen,then click File Explorer.
2. In the Search Computer/This PC input box, type:
    
   • %System%\Tasks\Task Health Application
   • %Application Data%\taskhealth\{Malware Filename}.exe
3. Once located, select the file then press SHIFT+DELETE to delete it.
   *Note: Read the following Microsoft page if these steps do not work on Windows 7 and Windows Server 2008 (R2).

To delete the malware/grayware folder:

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   
   • %Application Data%\taskhealth
3. In the Look In drop-down list, select My Computer, then press Enter.
4. Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.