HackTool.Win32.AmmyyAdmin.AA

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>Ammyy>Admin
3. In the right panel, locate and delete the entry:
   hr = {Hex Values}
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Ammyy>Admin
5. In the right panel, locate and delete the entry:
   hr = {Hex Values}
6. Again In the right panel, locate and delete the entry:
   hr3 = {Hex Values}
7. Again In the right panel, locate and delete the entry:
   hr3 = {Hex Values}
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>services>AmmyyAdmin_F5C
9. In the right panel, locate and delete the entry:
   Type = 16
10. Again In the right panel, locate and delete the entry:
    Start = 2
11. Again In the right panel, locate and delete the entry:
    ImagePath = "{Current Malware File Path}\{Executed Malware File Name}.exe"
12. Again In the right panel, locate and delete the entry:
    DisplayName = AmmyyAdmin_F5C
13. Again In the right panel, locate and delete the entry:
    ObjectName = LocalSystem
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>SafeBoot>Network
15. In the right panel, locate and delete the entry:
    AmmyyAdmin_F5C =
16. Again In the right panel, locate and delete the entry:
    DeleteFlag = 1
17. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>AmmyyAdmin_F5C
18. In the right panel, locate and delete the entry:
    Start = 4
19. 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:
   
   • %ProgramData%\AMMYY\hr
   • %ProgramData%\AMMYY\hr3
   • %ProgramData%\AMMYY\settings3.bin
   • {Current Malware Directory}\{Executed Malware File Name}.log
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:
   
   • %ProgramData%\AMMYY\hr
   • %ProgramData%\AMMYY\hr3
   • %ProgramData%\AMMYY\settings3.bin
   • {Current Malware Directory}\{Executed Malware File Name}.log
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.