BKDR_ANDROM.YYSMMN

To delete the registry key this malware/grayware created:

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>software>microsoft>esent>process
3. Still in the left panel, locate and delete the key:
   {malware file name}
4. In the left panel, double-click the following:
   hkey_local_machine>software>microsoft>esent>process>{malware file name}
5. Still in the left panel, locate and delete the key:
   debug
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>ESENT>Process
7. Still in the left panel, locate and delete the key:
   app
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>ESENT>Process>app
9. Still in the left panel, locate and delete the key:
   DEBUG
10. Close Registry Editor.

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:
     Click the Start button, type REGEDIT in the Search input field then press Enter.
   • On Windows 8, 8.1, and Server 2012:
     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>SYSTEM>ControlSet001>Services>Eventlog>Application>ESENT
3. In the right panel, locate the registry value:
   EventMessageFile = "%System%\ESENT.dll"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   EventMessageFile = "{random values}"
5. Again In the right panel, locate the registry value:
   CategoryMessageFile = "%System%\ESENT.dll"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   CategoryMessageFile = "{random values}"
7. Again In the right panel, locate the registry value:
   CategoryCount = "1"
8. Right-click on the value name and choose Modify. Change the value data of this entry to:
   CategoryCount = "10"
9. Again In the right panel, locate the registry value:
   TypesSupported = "7"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    TypesSupported = "7"
11. 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:
   
   • %Windows%\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new
   • %User Profile%\v2.0.50727.42\security.config.cch.new
   • %Windows%\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new
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:
   
   • %Windows%\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new
   • %User Profile%\v2.0.50727.42\security.config.cch.new
   • %Windows%\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new
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.

To delete malware/grayware/spyware folders:

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

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the File name* input box, type:
   
   • %System Root%\Documents and Settings\Wilbert
   • %User Profile%\Microsoft\CLR Security Config
   • %User Profile%\CLR Security Config\v2.0.50727.42
3. In the Look In drop-down list, select My Computer, then press Enter.
4. Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
5. Repeat steps 2 to 4 for the remaining folders:
   • %System Root%\Documents and Settings\Wilbert
   • %User Profile%\Microsoft\CLR Security Config
   • %User Profile%\CLR Security Config\v2.0.50727.42
   *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%\Documents and Settings\Wilbert
   • %User Profile%\Microsoft\CLR Security Config
   • %User Profile%\CLR Security Config\v2.0.50727.42
3. Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
4. Repeat steps 2-3 for the remaining folders:
   • %System Root%\Documents and Settings\Wilbert
   • %User Profile%\Microsoft\CLR Security Config
   • %User Profile%\CLR Security Config\v2.0.50727.42
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.