RANSOM_HDDCRYPTOR.F

To restore your system's Master Boot Record (MBR):

• On Windows 2000, XP, and Server 2003:

1. Insert your Windows Installation CD into your CD drive then restart your computer.
2. When prompted, press any key to boot from the CD.
3. On the Main Menu, type r to enter the Recovery Console.
   (Note for Windows 2000: After pressing r, type c to choose the Recovery Console on the repair options screen.)
4. Type the number that corresponds to the drive and folder that contains Windows (usually C:\WINDOWS) and press Enter.
5. Type your Administrator password and press Enter.
6. In the input box, type the following then press Enter:
   fixmbr {affected drive}
7. Type exit and press Enter to restart the system normally.

• On Windows Vista, 7, and Server 2008:

1. Insert your Windows Installation DVD into the DVD drive, then press the restart button on your computer.
2. When prompted, press any key to boot from the DVD.
3. Depending on your Windows Installation DVD, you might be required to choose the installation language. On the Install Windows window, choose your language, locale, and keyboard layout or input method. Click Repair your computer.
4. Select Use recovery tools that can help fix problems starting Windows. Select your installation of Windows. Click Next.
5. If the Startup Repair window appears, click Cancel, Yes, then Finish.
6. In the System Recovery Options menu, click Command Prompt.
7. In the Command Prompt window, type the following then press Enter:
   BootRec.exe /fixmbr
8. Type exit and press Enter to close the Command Prompt window.
9. Click Restart to restart your computer normally.

• On Windows 8, 8.1, and Server 2012:

1. Insert your Windows Installation DVD in the DVD drive, then restart your computer.
2. When prompted, press any key to boot from the DVD.
3. Depending on your Windows Installation DVD, you might be required to select the keyboard layout. Then on the Windows Setup window, choose your language, locale, and input method. Click Next, then click Repair your computer.
4. Click Troubleshoot>Advanced Options>Command Prompt.
5. In the Command Prompt window, type the following then press Enter:
   BootRec.exe /fixmbr
6. Type exit and press Enter to close the Command Prompt window.
7. Click Continue to restart the system normally.

To restart in Safe Mode:

• For Windows 2000 users

1. Restart your computer.
2. Press F8 when you see the Starting Windows bar at the bottom of the screen.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows XP users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Windows Advanced Options menu does not appear, try restarting then pressing F8 several times when the POST screen appears.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows Server 2003 users

1. Restart your computer.
2. Press F8 after Windows starts up. If the Windows Advanced Options menu does not appear, try restarting again and pressing F8 several times afterward.
3. On the Windows Advanced Option menu, use the arrow keys to select Safe Mode then press Enter.

• For Windows Vista, Windows 7, and Windows Server 2008 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.

Disabling a Malware Service

To disable a service:

1. Open a command prompt window:
   » For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type cmd in the text box provided, and press Enter.
   » For Windows Vista, Windows 7, and Windows 2008 users, click the Start button, type cmd in the Search input field, and press Enter.
   » For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower left corner of the screen, click Command Prompt.
2. At the command prompt, type the following:
   NET STOP  
   • DefragmentService
3. Press Enter. A message should indicate that the service has been stopped successfully.
4. Close the command prompt window.

To delete registry keys this malware/grayware created:

1. Open Registry Editor. To do this:
   » For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
   » For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
   » For Windows 8, Windows 8.1, and Windows Server 2012 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>SYSTEM>ControlSet001>Services
3. Still in the left panel, locate and delete the key:
   dcrypt
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet002>Services
5. Still in the left panel, locate and delete the key:
   DefragmentService
6. Close Registry Editor.

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

• For Windows 2000, Windows XP, and Windows Server 2003:

1. Right-click Start then click Search....
2. In the File name* input box, type the following:
   
   • %System Root%\Users\ABCD\dcapi.dll
   • %System Root%\Users\ABCD\dccon.exe
   • %System Root%\Users\ABCD\dcrypt.exe
   • %System Root%\Users\ABCD\dcrypt.sys
   • %System Root%\Users\ABCD\log_file.txt
   • %System Root%\Users\ABCD\Mount.exe
   • %System Root%\Users\ABCD\netpass.exe
   • %System Root%\Users\ABCD\netuse.txt
   • %System Root%\Users\ABCD\netpass.txt
   • %System%\drivers\dcrypt.sys
3. In the Look In drop-down list, select My Computer then press Enter.
4. Once located, select the file then press SHIFT+DELETE to delete it.
   *Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

• For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

1. Open a Windows Explorer window.
   • For Windows Vista, 7, and Server 2008 users, click Start>Computer.
   • For Windows 8, 8.1, and Server 2012 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 Root%\Users\ABCD\dcapi.dll
   • %System Root%\Users\ABCD\dccon.exe
   • %System Root%\Users\ABCD\dcrypt.exe
   • %System Root%\Users\ABCD\dcrypt.sys
   • %System Root%\Users\ABCD\log_file.txt
   • %System Root%\Users\ABCD\Mount.exe
   • %System Root%\Users\ABCD\netpass.exe
   • %System Root%\Users\ABCD\netuse.txt
   • %System Root%\Users\ABCD\netpass.txt
   • %System%\drivers\dcrypt.sys
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.