First of all, check if you have received an e-mail message with the characteristics described in the section Means of transmission.

In order to make absolutely sure that Netsky.AB has not affected your computer, you have the following options:

1. Check the computer with Panda ActiveScan, Panda Software's free, online scanner, which will quickly detect any possible viruses.
2. Carry out a full scan of your computer using your antivirus, after checking that it is updated.

Above all, if you have received a message with any of the characteristics described in the section Means of transmission, do not run the attached file and delete the message, making sure that you also delete it from the Deleted Items folder.

If Panda ActiveScan or your antivirus detects Netsky.AB during the scan, it will automatically offer you the option of deleting it. Do this by following the program's instructions.

Finally, restore the original configuration of your computer by following the instructions below:

• Delete the entry that Netsky.AB has created in the Windows Registry:
  
  HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ Run
  BagleAV = %windir%\csrss.exe
  where %windir% is the Windows directory.
• Restart the computer.
• In order to make sure that Netsky.AB is completely eliminated from your computer, carry out a full scan of your computer using Panda ActiveScan or your antivirus.

Additional notes:

• For instructions on how to modify the Windows Registry, click here.
• After deleting this malware by following the specified steps, if your computer runs Windows Millennium, click here to find out how to eliminate it from the _Restore folder.
• After deleting this malware by following the specified steps, if your computer runs Windows XP, click here to find out how to eliminate it from the _Restore folder.

In order to keep your computer protected, bear the following tips in mind:

• If you have filtering tools installed, configure them to reject messages with the characteristics described in the section Means of transmission. If, in spite of doing this, you receive the message that contains the virus: do not open it, do not run the attached file and delete it, making sure that you also delete it from the Deleted Items folder.
• Install a good antivirus in your computer. Click here to get the Panda antivirus solution that best suits your needs.
• Keep your antivirus updated. If automatic updates are available, configure your antivirus to use them.
• Keep your permanent antivirus protection enabled at all times.

For more detailed information about how to protect your computer against viruses and other threats, click here.