TROJ_INJECT.YYXG

To delete the registry value 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_CURRENT_USER>Software>Microsoft>Internet Explorer>New Windows
3. In the right panel, locate and delete the entry:
   PopupMgr = "0"
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>3
5. In the right panel, locate and delete the entry:
   2500 = "0"
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>1
7. In the right panel, locate and delete the entry:
   2500 = "1"
8. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>2
9. In the right panel, locate and delete the entry:
   2500 = "3"
10. Again In the right panel, locate and delete the entry:
    2500 = "3"
11. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>4
12. In the right panel, locate and delete the entry:
    2500 = "3"
13. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
14. In the right panel, locate and delete the entry:
    NoProtectedModeBanner = "1"
15. Again In the right panel, locate and delete the entry:
    AutoRecover = "2"
16. 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_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>User Shell Folders
3. In the right panel, locate the registry value:
   Cookies = "%USERPROFILE%\Cookies\27"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Cookies = "{random values}"
5. Again In the right panel, locate the registry value:
   Cache = "%USERPROFILE%\Local Settings\Temporary Internet Files\27"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Cache = "{random values}"
7. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>3
8. In the right panel, locate the registry value:
   CurrentLevel = "115"
9. Again In the right panel, locate the registry value:
   1609 = "1"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
11. Again In the right panel, locate the registry value:
    1A10 = "0"
12. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1A10 = "1"
13. Again In the right panel, locate the registry value:
    1A02 = "0"
14. Again In the right panel, locate the registry value:
    1A03 = "0"
15. Again In the right panel, locate the registry value:
    1A05 = "0"
16. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1A05 = "1"
17. Again In the right panel, locate the registry value:
    1A06 = "0"
18. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>1
19. In the right panel, locate the registry value:
    1609 = "0"
20. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
21. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>2
22. In the right panel, locate the registry value:
    1609 = "0"
23. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
24. Again In the right panel, locate the registry value:
    1609 = "0"
25. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
26. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>4
27. In the right panel, locate the registry value:
    1609 = "0"
28. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
29. 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:
   
   • %User Profile%\windowsold1\UpdateUser.vbs
   • %User Profile%\windowsold1\IsAlive.vbs
   • %System Root%\test.txt
   • %User Profile%\Application Data\note.xml
   • %User Profile%\windowsold1\LaunchAds_5225.vbs
   • %User Profile%\windowsold1\LaunchAds_5258.vbs
   • %User Profile%\windowsold1\LaunchAds_5294.vbs
   • %User Profile%\windowsold1\LaunchAds_5330.vbs
   • %User Profile%\windowsold1\LaunchAds_5362.vbs
   • %User Profile%\windowsold1\LaunchAds_5398.vbs
   • %User Profile%\windowsold1\LaunchAds_5431.vbs
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:
   
   • %User Profile%\windowsold1\UpdateUser.vbs
   • %User Profile%\windowsold1\IsAlive.vbs
   • %System Root%\test.txt
   • %User Profile%\Application Data\note.xml
   • %User Profile%\windowsold1\LaunchAds_5225.vbs
   • %User Profile%\windowsold1\LaunchAds_5258.vbs
   • %User Profile%\windowsold1\LaunchAds_5294.vbs
   • %User Profile%\windowsold1\LaunchAds_5330.vbs
   • %User Profile%\windowsold1\LaunchAds_5362.vbs
   • %User Profile%\windowsold1\LaunchAds_5398.vbs
   • %User Profile%\windowsold1\LaunchAds_5431.vbs
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 the malware/grayware folder:

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   
   • %User Profile%\Application Data\windowsold1
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.