TROJ_DLOADR.YUGN

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_LOCAL_MACHINE>SOFTWARE>Microsoft>ESENT>Process
3. Still in the left panel, locate and delete the key:
   Application Data_WLAd_NHMC
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>ESENT>Process>Application Data_WLAd_NHMC
5. Still in the left panel, locate and delete the key:
   DEBUG
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>SOFTWARE>Baidu Security
7. Still in the left panel, locate and delete the key:
   PC Faster
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>Software>Baidu_Drp_pos>DRP
9. Still in the left panel, locate and delete the key:
   Processing
10. Again Still in the left panel, locate and delete the key:
    Temp
11. 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>Baidu Security>PC Faster
3. In the right panel, locate and delete the entry:
   pcfaster-id = "S-1-5-21-1645522239-1292428093-682003330-1003#0050569F0290"
4. Again In the right panel, locate and delete the entry:
   pcfaster-guid = "51ce991f-9ca0-4c97-ba70-65b836d9d835"
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Baidu_Drp_pos>DRP>Processing
6. In the right panel, locate and delete the entry:
   {random string} = "http://sync.{BLOCKED}er.baidu.com/cgi-bin-py/mini_install_statistic_info.cgi"
7. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Baidu_Drp_pos>DRP>Temp
8. In the right panel, locate and delete the entry:
   {random string} = "http://sync.{BLOCKED}er.baidu.com/cgi-bin-py/mini_install_statistic_info.cgi"
9. 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 and 7:
     Click the Start button, type REGEDIT in the Search input field 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 component from an affected system:

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

1. Right-click Start then click Search....
2. In the Named input box, type:
   
   • %User Profile%\Local Settings\Application DatafrnlmpqFqI.exe
   • %User Profile%\Local Settings\Application Data_WLAd_NHMC.exe
   • %User Startup%\32e5a6bf.exe
   • %User Temp%\pcf3.tmp
   • %User Temp%\url6.tmp
   • %User Profile%\RpData\rpFile-Application Data_WLAd_NHMC-2014-02-24 02-37-09-0418-[29125].tmp
   • %User Profile%\RpData\rpFile-Application Data_WLAd_NHMC-2014-02-24 02-38-07-0933-[29314].tmp
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.
5. Repeat the said steps for all files listed.

• For Windows Vista and Windows 7 users:

1. Click Start>Computer.
2. In the Search input box, type:
   
   • %User Profile%\Local Settings\Application DatafrnlmpqFqI.exe
   • %User Profile%\Local Settings\Application Data_WLAd_NHMC.exe
   • %User Startup%\32e5a6bf.exe
   • %User Temp%\pcf3.tmp
   • %User Temp%\url6.tmp
   • %User Profile%\RpData\rpFile-Application Data_WLAd_NHMC-2014-02-24 02-37-09-0418-[29125].tmp
   • %User Profile%\RpData\rpFile-Application Data_WLAd_NHMC-2014-02-24 02-38-07-0933-[29314].tmp
3. Once located, select the file then press SHIFT+DELETE to delete it.
4. Repeat the said steps for all files listed.
   *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 Temp%\Application Data_WLAd_NHMC
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.