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Known threats:681,075 Last Update:July 16, 07:25

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Vundo.Variant

Aliases of Vundo.Variant (AKA):

[Eset]Win32/Spy.Agent.P trojan
[Panda]Bck/Agent.H
[CA]Win32/Vundo.Variant!Trojan

How to Remove Vundo.Variant from Your Computer^

To completely purge Vundo.Variant from your computer, you need to delete the files, folders, Windows registry keys and registry values associated with Vundo.Variant. 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 Vundo.Variant registry keys and registry values,
see How to Remove Vundo.Variant from the Windows Registry.

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

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

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

To delete the Vundo.Variant 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.

How to Remove Vundo.Variant 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 Vundo.Variant from your Windows registry, you must delete all the registry keys and values associated with Vundo.Variant, 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 Vundo.Variant 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 Values
[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run] mfcexp=(EMPTY)
[HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run] svcbak=(EMPTY)

Spyware

Spyware is designed to gather data from a computer and transfer it to a third party without the consent or knowledge of the computer’s owner. This includes collecting confidential information (passwords, credit card numbers, PIN numbers, etc.), monitoring key strokes, gathering e-mail addresses, or tracking surfing habits. Such resource-consuming activities slow down the system and generally impact the computer’s performance.

“Spyware” is an umbrella term for a diverse group of malware-related programs, rather than a clear-cut category. Most spyware definitions apply not only to adware, pornware and ‘riskware’ programs, but to many trojans as well.

Be Aware of the Following Spyware Threats:

SpyCapture, GhostSpy, Keylogger.Common.Components, SpyArsenal AIM Logger, Banker.zp.

Backdoor

Of all trojans, backdoor trojans pose the greatest danger to users’ PCs because they give their authors remote control over infected computers. They are downloaded, installed, and run silently, without the user’s consent or knowledge. Upon installation, backdoor trojans can be instructed to send, receive, execute and delete files, gather and transfer confidential data from the computer, log all activity on the computer, and perform other harmful activities.

Be Aware of the Following Backdoor Threats:

IRC.Mox, Skater, MegaStealth, TheefLite.plugin, Idimdoor.

How Did My PC Get Infected with Vundo.Variant?^

The following are the most likely reasons why your computer got infected with Vundo.Variant:

  • 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 Vundo.Variant. 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 Vundo.Variant.

Visiting Questionable Web Sites

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

Detecting Vundo.Variant^

The following symptoms signal that your computer is very likely to be infected with Vundo.Variant:

PC is working very slowly

Vundo.Variant 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 Vundo.Variant.

New desktop shortcuts have appeared or the home page has changed

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

Annoying popups keep appearing on your PC

Vundo.Variant 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

Vundo.Variant 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.