TSPY_DYRE.YYSNX

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.

To restore the registry value this malware/grayware modified:

1. Open Registry Editor.
   » 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, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Lsa
3. In the right panel, locate the registry value:
   LimitBlankPasswordUse = "0"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   LimitBlankPasswordUse = 1
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Terminal Server
6. In the right panel, locate the registry value:
   fDenyTSConnections = "0"
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   fDenyTSConnections = 1
8. Again In the right panel, locate the registry value:
   fSingleSessionPerUser = "0"
9. Right-click on the value name and choose Modify. Change the value data of this entry to:
   fSingleSessionPerUser = 1
10. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>services>MpsSvc
11. In the right panel, locate the registry value:
    DeleteFlag = "1"
12. Right-click on the value name and choose Modify. Change the value data of this entry to:
    DeleteFlag = 0
13. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>services>WinDefend
14. In the right panel, locate the registry value:
    DeleteFlag = "1"
15. Right-click on the value name and choose Modify. Change the value data of this entry to:
    DeleteFlag = 0
16. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>services>wscsvc
17. In the right panel, locate the registry value:
    DeleteFlag = "1"
18. Right-click on the value name and choose Modify. Change the value data of this entry to:
    DeleteFlag = 0
19. Again In the right panel, locate the registry value:
    Start = "4"
20. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
21. Again In the right panel, locate the registry value:
    Start = "4"
22. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
23. Again In the right panel, locate the registry value:
    Start = "4"
24. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
25. Close Registry Editor.

To delete malware/grayware component files:

1. Search for the following files:
   
   • %System%\config\systemprofile\Application Data\{random filename 2} (for Windows XP and below)
   • %AppDataLocal%\{random filename 2} (for Windows Vista and above)
   
   Note: To do a search for the following files, right-click Start then click Search... or Find..., depending on the version of Windows you are running. For each file to be deleted, type its file name in the Named input box. In the Look In drop-down list, select My Computer, then press Enter.
2. Once located, select the file then press SHIFT+DELETE to permanently delete the file.
3. Repeat the said steps for all files listed.