Remove Windows Defence Unit

Windows Defence Unit is a fake antivirus which will infect the computer after a Trojan opens a backdoor on the computer. Normally this program is installed to the computer without the permission of the users when they visit some websites. Windows Defence Unit start automatically when the computer boot. It will scan the infected computer and shows that the computer has been infected by many malwares. In fact, the computer is infected by itself! Then, Windows Defence Unit will persuade the user to purchase the license in order to activate it. This fake antivirus should be removed immediately.

Windows Defence Unit provide fake features such as Home, Firewall, Automatic updates, Antivirus Protection, Anti-Phishing, Advanced Process Control, Autorun Manager, Service Manager, All-in-One Suite, Quick Scan, Deep Scan, Custom Scan, History, Settings, etc. All of them cannot protect computer from any kind of malware.

Windows Defence Unit can be removed by stopping its processes [random].exe and the user should remember to kill the file. The registry settings should be restored by following the removal guide below.

Windows Defence Unit must be removed from your computer immediately!

Removal Guide

Kill Process
(How to kill a process effectively?)
svc-[random].exe

Delete Registry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\k9filter.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\bckd
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\bckd "ImagePath" = "123123.sys"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes" = ".zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation" = 1
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "GuardSoftware" = %AppData%\svc-[random].exe
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell" = "%AppData%\svc-[random].exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system "ConsentPromptBehaviorAdmin" = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system "ConsentPromptBehaviorUser" = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system "EnableLUA" = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system "EnableVirtualization" = 0
Remove Folders and Files
%AppData%\svc-[random].exe
%AppData%\data.sec

File Location Notes:

%AppData% refers to the current users Application Data folder. By default, this is C:\Documents and Settings\[Current User]\Application Data for Windows 2000/XP. For Windows Vista and Windows 7 it is C:\Users\[Current User]\AppData\Roaming.