Ransom_Blocker.R020C0CJF19

To restart in Safe Mode:

• For Windows 7 and Windows Server 2008 (R2) users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Advanced Boot Options menu does not appear, try restarting and then pressing F8 several times after the POST screen is displayed.
3. On the Advanced Boot Options menu, use the arrow keys to select the Safe Mode option, and then press Enter.

• For Windows 8, Windows 8.1, and Windows Server 2012 users

1. Access the Charms bar by moving your mouse pointer to the upper right corner of the screen.
2. Move your mouse pointer down and click Settings>Change your PC Settings.
3. In the left panel, click General.
4. In the right panel, scroll down to the bottom to find the Advanced startup section, then click the Restart now button and wait for the system to restart.
5. In the Advanced Startup menu, click Troubleshoot>Advanced Options>Startup Settings>Restart and wait for the system to restart.
6. In the Startup Settings menu, press 4 to enable safe mode.

• For Windows 10 users

1. Press Windows logo key + I on your keyboard to open Settings. If that doesn't work, select the Start button, then select Settings.
2. Select Update & Security > Recovery.
3. Under Advanced startup, select Restart now.
4. After your PC restarts to the Choose an option screen, select Troubleshoot > Advcanced options > Startup settings > Restart.
5. After your PC restarts, you'll see a list og options. Select 4 or press F4 to start your PC in Safe Mode.

To enable Registry Editor, Task Manager, and Folder options:

1. Open Notepad. To do this:
   
   • For Windows 7 and Server 2008 (R2) users:
     Click start. Type Notepad, 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 Notepad in the input field, then press Enter.
2. Copy and paste the following script:
   On Error Resume Next Set shl = WScript.CreateObject(""WScript.Shell"") shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"" shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr"" shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions""
3. Save this file as C:\RESTORE.VBS.
4. Run C:\RESTORE.VBS by double-clicking on the file.
5. Click Yes at the prompt of the message box to execute the .VBS file.

To enable Registry Editor, Task Manager, and Folder options:

1. Open Notepad. To do this:
   
   • For Windows 7 and Server 2008 (R2) users:
     Click start. Type Notepad, 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 Notepad in the input field, then press Enter.
2. Copy and paste the following script:
   On Error Resume Next Set shl = WScript.CreateObject(""WScript.Shell"") shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"" shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr"" shl.RegDelete ""HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions"" shl.RegDelete ""HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions""
3. Save this file as C:\RESTORE.VBS.
4. Run C:\RESTORE.VBS by double-clicking on the file.
5. Click Yes at the prompt of the message box to execute the .VBS file.

To delete the registry key this malware/grayware created:

1. Open Registry Editor.
   » 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, Windows 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, double-click the following:
   HKEY_CLASSES_ROOT>lnkfile>shell>open
3. Still in the left panel, locate and delete the key:
   command
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Policies>Microsoft>Windows
5. Still in the left panel, locate and delete the key:
   System
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies
7. Still in the left panel, locate and delete the key:
   System
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows NT
9. Still in the left panel, locate and delete the key:
   SystemRestore
10. Close Registry Editor.

To delete the registry value this malware/grayware created:

1. Open Registry Editor.
   » 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, Windows 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, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   xk = "%Windows%\xk.exe"
4. Again In the right panel, locate and delete the entry:
   MSMSGS = "%User Profile%\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"
5. Again In the right panel, locate and delete the entry:
   ServiceAdministrator = "%User Profile%\Local Settings\Application Data\WINDOWS\SERVICES.EXE"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Wow6432Node>Microsoft>Windows>CurrentVersion>Run
7. In the right panel, locate and delete the entry:
   LogonAdministrator = "%User Profile%\Local Settings\Application Data\WINDOWS\CSRSS.EXE"
8. Again In the right panel, locate and delete the entry:
   System Monitoring = "%User Profile%\Local Settings\Application Data\WINDOWS\LSASS.EXE"
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Wow6432Node>Microsoft>Windows NT>CurrentVersion>Winlogon
10. In the right panel, locate and delete the entry:
    Shell = "Explorer.exe %System%\IExplorer.exe"
11. Again In the right panel, locate and delete the entry:
    Userinit = "%System%\userinit.exe,%System%\IExplorer.exe"
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Wow6432Node>Microsoft>Windows NT>CurrentVersion>AeDebug
13. In the right panel, locate and delete the entry:
    Debugger = "%System%\Shell.exe"
14. Again In the right panel, locate and delete the entry:
    Auto = "1"
15. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>lnkfile>shell>open>command
16. In the right panel, locate and delete the entry:
    (Default) = "%System%\shell.exe %1 %*"
17. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Policies>Microsoft>Windows>System
18. In the right panel, locate and delete the entry:
    DisableCMD = "1"
19. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows NT>SystemRestore
20. In the right panel, locate and delete the entry:
    DisableConfig = "1"
21. Again In the right panel, locate and delete the entry:
    DisableSR = "1"
22. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows>Installer
23. In the right panel, locate and delete the entry:
    LimitSystemRestoreCheckpointing = "1"
24. Again In the right panel, locate and delete the entry:
    DisableMSI = "1"
25. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>CabinetState
26. In the right panel, locate and delete the entry:
    FullPathAddress = "1"
27. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
28. In the right panel, locate and delete the entry:
    ShowSuperHidden = "0"
29. Close Registry Editor.

To restore registry values this malware/grayware modified:

1. Open Registry Editor. To do this:
   
   • On Windows 7 and Server 2008 (R2):
     Click the Start button, type REGEDIT in the Search input field then press Enter.
   • On Windows 8, 8.1, 10, and Server 2012 (R2):
     Right-click on the lower left corner of the screen and click Run, type REGEDIT in the Run input field, and then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Control Panel>Desktop
3. In the right panel, locate the registry value:
   SCRNSAVE.EXE = "%System%\Mig~mig.SCR"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   SCRNSAVE.EXE = "%Windows%\system32\logon.scr"
5. Again In the right panel, locate the registry value:
   ScreenSaverIsSecure = "0"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   ScreenSaverIsSecure = "0"
7. Again In the right panel, locate the registry value:
   ScreenSaveTimeOut = "600"
8. Right-click on the value name and choose Modify. Change the value data of this entry to:
   ScreenSaveTimeOut = "600"
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>SafeBoot
10. In the right panel, locate the registry value:
    AlternateShell = "%Windows%\xk.exe"
11. Right-click on the value name and choose Modify. Change the value data of this entry to:
    AlternateShell = "cmd.exe"
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>exefile>shell>open>command
13. In the right panel, locate the registry value:
    (Default) = "%System%\shell.exe %1 %*"
14. Right-click on the value name and choose Modify. Change the value data of this entry to:
    (Default) = ""%1" %*"
15. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>piffile>shell>open>command
16. In the right panel, locate the registry value:
    (Default) = "%System%\shell.exe %1 %*"
17. Right-click on the value name and choose Modify. Change the value data of this entry to:
    (Default) = ""%1" %*"
18. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>batfile>shell>open>command
19. In the right panel, locate the registry value:
    (Default) = "%System%\shell.exe %1 %*"
20. Right-click on the value name and choose Modify. Change the value data of this entry to:
    (Default) = ""%1" %*"
21. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>comfile>shell>open>command
22. In the right panel, locate the registry value:
    (Default) = "%System%\shell.exe %1 %*"
23. Right-click on the value name and choose Modify. Change the value data of this entry to:
    (Default) = ""%1" %*"
24. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>exefile
25. In the right panel, locate the registry value:
    (Default) = "File Folder"
26. Right-click on the value name and choose Modify. Change the value data of this entry to:
    (Default) = "Application"
27. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
28. In the right panel, locate the registry value:
    HideFileExt = "1"
29. Right-click on the value name and choose Modify. Change the value data of this entry to:
    HideFileExt = "1"
30. Again In the right panel, locate the registry value:
    Hidden = "0"
31. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Hidden = "2"
32. Close Registry Editor.