TROJ_INJECTO.YV

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.

To enable Registry Editor, Task Manager, and Folder options:

1. Open Notepad. To do this, click Start>Run, type Notepad in the text box provided, then press Enter.
2. Copy and paste the following script:
   On Error Resume Next Set shl = WScript.CreateObject("WScript.Shell") shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools" shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr" shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions"
3. Save this file as C:\RESTORE.VBS.
4. Click Start>Run again, type C:\RESTORE.VBS in the text box provided, then press Enter.
5. Click Yes at the prompt of the message box to execute the .VBS file.

To delete the registry key 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_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Explorer
3. Still in the left panel, locate and delete the key:
   Run
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>AppDataLow
5. Still in the left panel, locate and delete the key:
   _wu2_133
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft
7. Still in the left panel, locate and delete the key:
   Ehix
8. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer
9. Still in the left panel, locate and delete the key:
   Privacy
10. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion
11. Still in the left panel, locate and delete the key:
    Uninstall
12. 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_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   msvcrt_ = "%User Profile%\Ms_dir_\msvcrt.exe"
4. Again In the right panel, locate and delete the entry:
   Ebtuteihro = "%User Profile%\Piogy\avvy.exe"
5. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>AppDataLow>_wu2_133
6. In the right panel, locate and delete the entry:
   path = "%User Profile%\Ms_dir_\msvcrt.exe"
7. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Privacy
8. In the right panel, locate and delete the entry:
   CleanCookies = "0"
9. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Ehix
10. In the right panel, locate and delete the entry:
    Egmycusi = "{random values}"
11. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Internet Account Manager
12. In the right panel, locate and delete the entry:
    Server ID = "4"
13. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>WAB>WAB4
14. In the right panel, locate and delete the entry:
    FirstRun = "1"
15. Again In the right panel, locate and delete the entry:
    OlkContactRefresh = "0"
16. Again In the right panel, locate and delete the entry:
    OlkFolderRefresh = "0"
17. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Internet Account Manager>Accounts
18. In the right panel, locate and delete the entry:
    ConnectionSettingsMigrated = "1"
19. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Identities>{341F68BA-C841-4200-A7B4-3D5CFF202166}>Software>Microsoft>Outlook Express>5.0
20. In the right panel, locate and delete the entry:
    StoreMigratedV5 = "1"
21. Again In the right panel, locate and delete the entry:
    Settings Upgraded = "7"
22. Again In the right panel, locate and delete the entry:
    Running = "1"
23. Again In the right panel, locate and delete the entry:
    AssociatedID = "{random values}"
24. Again In the right panel, locate and delete the entry:
    Running = "0"
25. Close Registry Editor.

To restore the registry value this malware/grayware/spyware modified:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>0
3. In the right panel, locate the registry value:
   1609 = "0"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   1609 = "1"
5. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>1
6. In the right panel, locate the registry value:
   1406 = "0"
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   1406 = "1"
8. Again In the right panel, locate the registry value:
   1609 = "0"
9. Right-click on the value name and choose Modify. Change the value data of this entry to:
   1609 = "1"
10. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>2
11. In the right panel, locate the registry value:
    1609 = "0"
12. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
13. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>3
14. In the right panel, locate the registry value:
    1406 = "0"
15. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1406 = "3"
16. Again In the right panel, locate the registry value:
    1609 = "0"
17. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
18. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>4
19. In the right panel, locate the registry value:
    1406 = "0"
20. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1406 = "3"
21. Again In the right panel, locate the registry value:
    1609 = "0"
22. Right-click on the value name and choose Modify. Change the value data of this entry to:
    1609 = "1"
23. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Identities
24. In the right panel, locate the registry value:
    Last Username = "Main Identity"
25. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Last Username = "Main Identity"
26. Again In the right panel, locate the registry value:
    Last User ID = "{341F68BA-C841-4200-A7B4-3D5CFF202166}"
27. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Last User ID = "{C0FE0177-5693-4537-9331-A7402AD82D40}"
28. Again In the right panel, locate the registry value:
    Identity Login = "9853"
29. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Identity Login = "98053"
30. Again In the right panel, locate the registry value:
    Identity Ordinal = "2"
31. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Identity Ordinal = "1"
32. Close Registry Editor.

To delete malware/grayware component files:

1. Search for the following files:
   
   • %User Profile%\Piogy\avvy.exe
   • %User Profile%\Ukwe\maus.via
   • %User Profile%\Hyfo\rias.yry

To delete malware/grayware folders:

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\Ms_dir_
   • %User Profile%\Application Data\Piogy
   • %User Profile%\Application Data\Ukwe
   • %User Profile%\Application Data\Hyfo
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 the said steps for all folders listed.