Exterminate It! Antimalware


Known threats:699,742 Last Update:November 20, 22:46


Hello, I wanted to say thanks for the time you guys spent on getting that Vundo trojan off my computer.

Thanks again, I am highly recommending your software to friends and partners because of the extra effort I know you went to.

Michael M.

Quick Defragmenter

How to Remove Quick Defragmenter from Your Computer

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

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

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

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

To delete the Quick Defragmenter 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.
[%PROGRAMS%]\Quick Defragmenter


Ransomware is malicious software that encrypts the hard drive of the infected computer or the files holding important information. The hacker then extorts money from the computer’s owner in exchange for the possibility to have access to the data again.

Be Aware of the Following Ransomware Threats:

SafeGuardPlus, ACommander, AdvancedPrivacyGuard, System Fighter, Defence Center.

How Did My PC Get Infected with Quick Defragmenter?^

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

  • 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 Quick Defragmenter. 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 Quick Defragmenter.

Visiting Questionable Web Sites

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

Detecting Quick Defragmenter^

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

PC is working very slowly

Quick Defragmenter 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 Quick Defragmenter.

New desktop shortcuts have appeared or the home page has changed

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

Annoying popups keep appearing on your PC

Quick Defragmenter 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

Quick Defragmenter 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.