Exterminate It! Antimalware

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Known threats:700,085 Last Update:March 01, 12:55

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DNSio

How to Remove DNSio from Your Computer

To completely purge DNSio from your computer, you need to delete the files, folders, Windows registry keys and registry values associated with DNSio. These files, folders and registry elements are respectively listed in the Files, Folders, Registry Keys and Registry Values sections on this page.

For instructions on deleting the DNSio registry keys and registry values,
see How to Remove DNSio from the Windows Registry.

For instructions on deleting the DNSio files and folders,
see How to Delete DNSio Files (.exe, .dll, etc.)

How to Delete DNSio Files (.exe, .dll, etc.)^

The files and folders associated with DNSio are listed in the Files and Folders sections on this page.

To delete the DNSio files and folders:

  1. Using your file explorer, browse to each file and folder listed in the Folders and Files sections.
  2. Note: The paths use certain special folders (conventions) such as [%PROGRAM_FILES%]. Please note that these conventions are depending on Windows Version / Language. These conventions are explained here.
  3. Select the file or folder and press SHIFT+Delete on the keyboard.
  4. Click Yes in the confirm deletion dialog box.
  5. IMPORTANT: If a file is locked (in use by some application), its deletion will fail (the Windows will display a corresponding message).You can delete such locked files with the RemoveOnReboot utility. To delete a locked file, right-click on the file, select Send To->Remove on Next Reboot on the menu and restart your computer. You can install the RemoveOnReboot utility from here.
[%PROGRAM_FILESX86%]\DnsIo
[%PROGRAM_FILES%]\WebDnsio
[%PROGRAM_FILES%]\DnsIo

How to Remove DNSio from the Windows Registry^

The Windows registry stores important system information such as system preferences, user settings and installed programs details as well as the information about the applications that are automatically run at start-up. Because of this, spyware, malware and adware often store references to their own files in your Windows registry so that they can automatically launch every time you start up your computer.

To effectively remove DNSio from your Windows registry, you must delete all the registry keys and values associated with DNSio, which are listed in the Registry Keys and Registry Values sections on this page.

IMPORTANT: Because the registry is a core component of your Windows system, it is strongly recommended that you back up the registry before you begin deleting keys and values. For information about backing up the Windows registry, refer to the Registry Editor online help.

To remove the DNSio registry keys and values:

  1. On the Windows Start menu, click Run.
  2. In the Open box, type regedit and click OK.
    The Registry Editor window opens. This window consists of two panes. The left pane displays folders that represent the registry keys arranged in hierarchical order. The right one lists the registry values of the currently selected registry key.
  3. To delete each registry key listed in the Registry Keys section, do the following:
    • Locate the key in the left pane of the Registry Editor window by sequentially expanding the folders according to the path indicated in the Registry Keys section. For example, if the path of a registry key is
      HKEY_LOCAL_MACHINE\software\FolderA\FolderB\KeyName1
      sequentially expand the HKEY_LOCAL_MACHINE, software, FolderA and FolderB folders.
    • Select the key name indicated at the end of the path (KeyName1 in the example above).
    • Right-click the key name and select Delete on the menu.
    • Click Yes in the Confirm Key Delete dialog box.
  4. To delete each registry value listed in the Registry Values section, do the following:
    • Display the value in the right pane of the Registry Editor window by sequentially expanding the folders in the left pane according to the path indicated in the Registry Values section and selecting the specified key name. For example, if the path of a registry value is
      HKEY_LOCAL_MACHINE\software\FolderA\FolderB\KeyName2,valueC=
      sequentially expand the HKEY_LOCAL_MACHINE, software, FolderA and FolderB folders and select the KeyName2 key to display the valueC value in the right pane.
    • In the right pane, select the value name indicated after a comma at the end of the path (valueC in the example above).
    • Right-click the value name and select Delete on the menu.
    • Click Yes in the Confirm Value Delete dialog box.
Registry Keys
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\DnsIo
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DNSUtils
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsvincentown
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnslockington
HKEY_LOCAL_MACHINE\Software\WebDnsio
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnskingston
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsikatan
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnscontreras
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsshidler
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsbridgeport
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsluquillo
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsparish
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\WebDnsio2
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\WebDnsio2-daily
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsarchbold
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsalbertson
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnswilliston
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsatlantic
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnslawrence
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnstrawick
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsiolink6
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsmohawk
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsnewville
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsproberta
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsneptune
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnswaskom
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\DnsService
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsnapoleon
HKEY_LOCAL_MACHINE\SOFTWARE\DNSUtils
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\DnsJumper
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnscolfax
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsinniswold
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnslakewood
HKEY_CLASSES_ROOT\CLSID\{6f5e4b20-cdf1-4cdc-b8ec-56540dd5e936}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsbeecher
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnscalpella
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnspittston
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnssuqualena
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsrisingsun
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\DNSClient
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsroseville
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnsshingler
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnspawcatuck
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnshordville
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnslafayette
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\dnspalmas

PUA

These are programs that are being installed on the system often without a user's knowledge or approval.

Be Aware of the Following PUA Threats:

V9, TopFlix, ExtFixer, UnfreindMonitor, OptimizerPro.

How Did My PC Get Infected with DNSio?^

The following are the most likely reasons why your computer got infected with DNSio:

  • Your operating system and Web browser's security settings are too lax.
  • You are not following safe Internet surfing and PC practices.

Downloading and Installing Freeware or Shareware

Small-charge or free software applications may come bundled with spyware, adware, or programs like DNSio. Sometimes adware is attached to free software to enable the developers to cover the overhead involved in created the software. Spyware frequently piggybacks on free software into your computer to damage it and steal valuable private information.

Using Peer-to-Peer Software

The use of peer-to-peer (P2P) programs or other applications using a shared network exposes your system to the risk of unwittingly downloading infected files, including malicious programs like DNSio.

Visiting Questionable Web Sites

When you visit sites with dubious or objectionable content, trojans-including DNSio, spyware and adware, may well be automatically downloaded and installed onto your computer.

Detecting DNSio^

The following symptoms signal that your computer is very likely to be infected with DNSio:

PC is working very slowly

DNSio can seriously slow down your computer. If your PC takes a lot longer than normal to restart or your Internet connection is extremely slow, your computer may well be infected with DNSio.

New desktop shortcuts have appeared or the home page has changed

DNSio can tamper with your Internet settings or redirect your default home page to unwanted web sites. DNSio may even add new shortcuts to your PC desktop.

Annoying popups keep appearing on your PC

DNSio may swamp your computer with pestering popup ads, even when you're not connected to the Internet, while secretly tracking your browsing habits and gathering your personal information.

E-mails that you didn't write are being sent from your mailbox

DNSio may gain complete control of your mailbox to generate and send e-mail with virus attachments, e-mail hoaxes, spam and other types of unsolicited e-mail to other people.