BKDR_PRORAT.F

To identify and delete the malware/grayware file:

1. Insert your Windows Installation CD in your CD-rom.
2. Press the restart button of your computer.
3. When prompted, press any key to boot from the CD.
4. When prompted on the Main Menu, type r to enter the recovery console.
   (Note: On Windows 2000, after pressing r, type c to choose the Recovery Console in the repair options screen.)
5. When prompted, type your administrator password to log on.
6. Once logged in, type the drive that contains Windows in the command prompt that appears, then press Enter.
7. Type the drive that contains Windows, then press Enter.
8. Type the following, then press Enter:
   del {malware/grayware path and file name}
9. Repeat the above procedure for all files detected earlier.
10. Type exit to restart the system normally.

To delete the registry key this malware/grayware/spyware created:

1. Restart your computer in Safe Mode. For instructions on how to do this, you may refer to this page. If the preceding step requires you to restart in safe mode, you may proceed to #2.
2. Open Registry Editor. To do this, click Start>Run, type REGEDIT in the text box provided, then press Enter.
3. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software
4. Still in the left panel, locate and delete the key:
   Microsoft DirectX
5. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Active Setup>Installed Components
6. Still in the left panel, locate and delete the key:
   {5Y99AE78-58TT-11dW-BE53-Y67078979Y}
7. Close Registry Editor.

To delete the registry value this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer>Run
3. In the right panel, locate and delete the entry:
   DirectX For Microsoft® Windows = "%System%\fservice.exe"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>SharedAccess>Parameters>FirewallPolicy>DomainProfile>AuthorizedApplications>List
5. In the right panel, locate and delete the entry:
   %Windows%\winlogon.exe = "%Windows%\winlogon.exe:*:Disabled:winlogon"
6. Close Registry Editor.

To restore the registry value this malware/grayware modified:

1. Open Registry Editor. Click Start>Run, type REGEDIT in the text box provided, and then press Enter.
2. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Winlogon
3. In the right panel, locate the registry value:
   Shell = "Explorer.exe %System%\fservice.exe"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Shell = Explorer.exe
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>SystemRestore
6. In the right panel, locate the registry value:
   DisableSR = "1
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   DisableSR = 0
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>sr
9. In the right panel, locate the registry value:
   Start = "4"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 0
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>sr>Parameters
12. In the right panel, locate the registry value:
    FirstRun = "1"
13. Right-click on the value name and choose Modify. Change the value data of this entry to:
    FirstRun = 0
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>srservice
15. In the right panel, locate the registry value:
    Start = "4"
16. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
17. Close Registry Editor.