BKDR_AGENT.FZW

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
3. Still in the left panel, locate and delete the key:
   qtldquqo
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>qtldquqo
5. Still in the left panel, locate and delete the key:
   Parameters
6. 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_LOCAL_MACHINE>SOFTWARE>qtldquqo
3. In the right panel, locate and delete the entry:
   ver = "20120523"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>qtldquqo>Parameters
5. In the right panel, locate and delete the entry:
   ServiceDll = "%Program Files%\qtldquqo\qtldquqo.dll"
6. 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>SOFTWARE>Microsoft>Windows NT>CurrentVersion>SvcHost
3. In the right panel, locate the registry value:
   netsvcs = "{random characters}"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   netsvcs = "{random values}"
5. 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 Temp%\nsm2.tmp
   • %User Temp%\nsm3.tmp\System.dll
   • %User Temp%\nsm3.tmp\Math.dll
   • %User Temp%\nsm3.tmp\InstallAssist.dll
   • %Program Files%\qtldquqo\qtldquqo.dll
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 Temp%\nsm2.tmp
   • %User Temp%\nsm3.tmp\System.dll
   • %User Temp%\nsm3.tmp\Math.dll
   • %User Temp%\nsm3.tmp\InstallAssist.dll
   • %Program Files%\qtldquqo\qtldquqo.dll
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 malware/grayware/spyware 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:
   
   • %System Root%\DOCUME~1
   • %System Root%\DOCUME~1\ADMINI~1
   • %User Profile%\LOCALS~1
   • %User Temp%\nsm3.tmp
   • %Program Files%\qtldquqo
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%\DOCUME~1
   • %System Root%\DOCUME~1\ADMINI~1
   • %User Profile%\LOCALS~1
   • %User Temp%\nsm3.tmp
   • %Program Files%\qtldquqo