BKDR_EMDIVI.SM

To identify and delete the malware/grayware file:

• On Windows XP and Server 2003 systems:

1. Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
2. Click Start>Run. In the Open input box, type secpol.msc and press Enter.
3. In the left panel, double-click Local Policies>Security Options.
4. In the right panel, double-click Recovery Console: Allow floppy copy and access to all drives and folders.
5. Select Enabled and click OK.
6. Insert the Windows Installation CD into the CD drive, then restart your computer.
7. When prompted, press any key to boot from the CD.
8. On the main menu, type r to go to the Recovery Console.
9. Type the number that corresponds to the drive and directory that contains Windows (usually C:\WINDOWS) and press Enter.
10. Type the Administrator password and press Enter.
11. In the input box, type the following then press Enter:
    SET AllowAllPaths = TRUE
    del "{malware/grayware path and file name}"
12. Type exit and press Enter to restart the system normally.

• On Windows Vista, 7, and Server 2008 (R2) systems:

1. Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
2. Insert your Windows Installation DVD in the DVD drive, then Press the restart button.
3. When prompted, press any key to boot from the CD.
4. Depending on your Windows Installation DVD, you might be required to select the installation language. Then on the Install Windows window, choose your language, locale, and keyboard layout or input method. Click Next, then click Repair your computer.
5. Select Use recovery tools that can help fix problems starting Windows. Select your installation of Windows. Click Next.
6. If the Startup Repair window appears, click Cancel, Yes, then Finish.
7. In the System Recovery Options window, click Command Prompt.
8. In the Command Prompt window, type the following then press Enter:
   BootRec.exe /fixmbr
   del "{malware/grayware path and file name}"
9. Type exit and press Enter to close the Command Prompt window.
10. Click Restart to restart the system normally.

• On Windows 8, 8.1, and Server 2012 (R2) systems:

1. Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
2. Insert your Windows Installation DVD in the DVD drive, then restart your computer.
3. When prompted, press any key to boot from the DVD.
4. 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.
5. Click Troubleshoot>Advanced Options>Command Prompt.
6. In the Command Prompt window, type the following then press Enter:
   BootRec.exe /fixmbr
   del "{malware/grayware path and file name}"
7. Type exit and press Enter to close the Command Prompt window.
8. Click Continue to restart the system normally.

To restore registry values this malware/grayware modified:

1. Open Registry Editor. To do this:
   
   • On Windows 2000, XP, and Server 2003:
     Click Start>Run, type REGEDIT in the text box provided, and then press Enter.
   • On Windows Vista, 7, and Server 2008 (R2):
     Click the Start button, type REGEDIT in the Search input field then press Enter.
   • On Windows 8, 8.1, 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_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Winlogon
3. In the right panel, locate the registry value:
   Userinit = "%System%\userinit.exe,{malware path}\{malware filename},"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Userinit = %System%\userinit.exe,
5. Close Registry Editor.

To delete the registry value this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT in the text box provided, and 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:
   Machine Debug Manager = ",{malware path}\{malware filename},"
4. Close Registry Editor.

To delete malware/grayware files:

1. Search for the following files:
   
   • %All Users Profile%\Start Menu\Programs\Startup\FlashUtil_ActiveX.lnk
   • %User Startup%\FlashUtil_ActiveX.lnk
   
   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.