BKDR_NANOCORE.AUSYVP

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Identify and terminate files detected as BKDR_NANOCORE.AUSYVP

1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Delete this registry value

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

• In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
  • {random 3 letters} Service = %Program Files%\{random 3 letters} Service\{random filename}.exe
    

Step 5

Delete the Scheduled Tasks added by this malware/grayware

To delete the added Scheduled Task file:

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

1. Open the Windows Scheduled Tasks. To do this, click Start>Programs>Accessories>System Tools>Scheduled Tasks.
2. Double-click on a .JOB file.
3. Check if the malware path and file name exists in the .JOB file. To do this, check the value in the Run field.
4. If found, select the .JOB file then press SHIFT+DELETE to permanently delete the file.
5. Repeat the steps above for the remaining .JOB files.

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

1. Open the Windows Task Scheduler. To do this:
   • On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
   • On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter.
2. In the left panel of the Task Scheduler Window, click Task Scheduler Library.
3. In the upper-middle panel, click a Task.
4. In the lower middle panel, click the Actions tab
5. Check if the malware path and file name exists in the task. To do this, check the value in the Details column under the Actions tab.
6. If found, select the task and press DELETE and click Yes to delete the task.
7. Repeat the steps above for the remaining tasks.

Step 6

Search and delete these files

• %Application Data%\{GUID}\run.dat
• %Application Data%\{GUID}\task.dat
• %Application Data%\{GUID}\catalog.dat
• %Application Data%\{GUID}\storage.dat
• %Application Data%\{GUID}\settings.bin
• %Application Data%\{GUID}\Logs\{username}\KB_{random 7 numbers}

Step 7

Scan your computer with your Trend Micro product to delete files detected as BKDR_NANOCORE.AUSYVP. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:

• Home and Home Office Support
• Business Support