Exterminate It! Antimalware


Known threats:700,086 Last Update:March 16, 12:51


Thank you for the note. I have been a TrendMicro client for the last few years and was impressed with the speed of Exterminate It’s scan. I appreciate the efforts to help rid my system of Vundo, the commitment to stand behind your guarantee (unfortunately that is a rarity these days) and the customer service you have offered. I wish you and the company the best.

Barry B.


Aliases of ClsWin2K (AKA):


How to Remove ClsWin2K from Your Computer^

To completely purge ClsWin2K from your computer, you need to delete the files and folders associated with ClsWin2K. These files and folders are respectively listed in the Files and Folders sections on this page.

For instructions on deleting the ClsWin2K files and folders, see the following section How to Delete ClsWin2K Files (.exe, .dll, etc.).

How to Delete ClsWin2K Files (.exe, .dll, etc.)^

The files and folders associated with ClsWin2K are listed in the Files and Folders sections on this page.

To delete the ClsWin2K 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_FILES%]\xtractor plus


A trojan is a program that is disguised as legitimate software but is designed to carry out some harmful actions on the infected computer.

Unlike viruses and worms, trojans don’t replicate but they can be just as destructive.

These days trojans are very common. Trojans are divided into a number different categories based on their function or type of damage.

Be Aware of the Following Trojan Threats:

Bancos.GQV, Bancos.FYQ, Crack.Pipe.Source, Pigeon.AVLL, Vxidl.BDF.

Hacker Tool

Hacker tools are utilities designed to help hackers gain control of remote computers in order to use them as zombies (in DoS attacks, for example), download other malicious programs into those computers, or use them for other malicious purposes.

Be Aware of the Following Hacker Tool Threats:

CandyMan, Win32.DCom.ag, Bluescreen.Generator, Serv.FTP.Server, IH.Infector.

How Did My PC Get Infected with ClsWin2K?^

The following are the most likely reasons why your computer got infected with ClsWin2K:

  • 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 ClsWin2K. 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 ClsWin2K.

Visiting Questionable Web Sites

When you visit sites with dubious or objectionable content, trojans-including ClsWin2K, spyware and adware, may well be automatically downloaded and installed onto your computer.

Detecting ClsWin2K^

The following symptoms signal that your computer is very likely to be infected with ClsWin2K:

PC is working very slowly

ClsWin2K 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 ClsWin2K.

New desktop shortcuts have appeared or the home page has changed

ClsWin2K can tamper with your Internet settings or redirect your default home page to unwanted web sites. ClsWin2K may even add new shortcuts to your PC desktop.

Annoying popups keep appearing on your PC

ClsWin2K 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

ClsWin2K 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.