There are times when your computers are contaminated by malware that is tricky to remove with conventional antivirus programming. On different events, the malware blocks the installation of any antivirus software and you cannot remove it manually. In such situations, you have to make a bootable usb or CD drive with an antivirus that could be run before the working framework is stacked. This is the only way to remove that malware you are batteling with. For such situations, Microsoft has made Windows Defender Offline – a free instrument that makes a for a decent removal tool. Here’s where to download it, install it and use it to clean that nasty malware from your Windows computers.
Download the Correct Windows Defender Offline Version
The download is a bit more complex that you may think. You first need to find an other pc than the computer you have the problem with. At that point, you have to know whether you are using a 32-bit or 64-bit version of Windows on the workstation that is contaminated. If you are using Windows 7 or Windows 8, go to the Windows Defender Offline page and download the 32-bit or 64-bit version of Windows Defender Offline. If you’re not sure which version to download, see Is my PC running the 32-bit or 64-bit version of Windows? If you are running Windows 8.1, you will need the beta version of the software. To get that one, just got to the Windows Defender beta download page.
Burn Windows Defender Offline to a Disc or Flash Drive
The following step is to copy Windows Defender Offline to a CD or DVD, duplicate it to a USB drive. Remember that you will need to have about 275 to 300 MB of storage room accessible. Run mssstool64.exe and use the wizard to copy Windows Defender Offline on the media you might want to utilize.
How do I start my PC from a CD, DVD, or USB flash drive?
- Insert the Windows Defender Offline CD, DVD or USB in the PC infected with a virus or malware.
- Restart the PC.
- Some PCs will detect removable media and give you the option of starting up from the CD, DVD or USB flash drive.
- Read the instructions on the screen to turn on this option. In some cases, you might need to press any key to start from the CD, DVD, or USB drive or to press a specific key, such as F12.
- Press the key (usually F12). A list of available devices is shown. There will be an entry for each hard drive, one for each CD, DVD drive, and a USB flash drive.
- Use the arrow key to scroll to the drive that has the bootable CD, DVD, or USB flash drive in it, and then press Enter.
- The PC will start from the Windows Defender Offline CD, DVD, or USB flash drive.
- For PCs that don’t automatically start from the removable media:
- During the restart process, read the screen for any instructions that explain how to interrupt normal startup and enter the BIOS Setup Utility. Most PCs use the F2, F10, ESC, or DEL key to begin the BIOS Setup.
- Look for a tab in the BIOS Setup Utility that is labeled “Boot Order,” “Boot Options,” or “Boot.” Following the directions on the screen, use the arrow keys to go to the Boot order.
- Locate the CD, DVD, or USB flash drive (this might be called Removable Device) in the Boot list. Following the directions on the screen, use the arrow keys to move the drive up so that it appears first in the Boot list.
- Press Enter. The boot order sequence is now changed to boot from the CD, DVD, or USB flash drive.
- Press F10 to save your changes and to exit the BIOS Setup Utility. Select Yes in the confirmation window. The PC will restart. Allow the PC to restart normally.
Boot Using the Windows Defender Offline Disc/Drive/Image
The time it now to utilize Windows Defender Offline. Plug your drive or usb stick into the workstation or computer that is infected and boot from it. Throughout the boot, a scaled down Windows version is loaded.
The procedure takes a while so be patient. At the point when loaden, Windows Defender Offline begins to clean your gadget. In the event that malware is discovered, you can remove it at the end of the scan. Windows Defender Offline works just like the desktop version of Windows Defender.
One thing that you have to remember is that Windows Defender Offline utilizes the malware definitions that were accessible at the time you introduced it on your CD, DVD or USB stick. If you use it a couple of days later, its definitions are dated and it might not be of too much help. That’s why you should cancel its automated scan and update it before scanning the system again.