Malware Defense Removal Guide

Malware Defense is a rogue anti-spyware program created to deceive computer users and steal their money. Malware Defense gets onto your system and it starts constantly scanning your PC. Then it starts detecting files which are created in advance and recognized as malicious. All of the tactics leads to urging the computer user purchase Malware Defense. Do not fall for this trickery and terminate Malware Defense immediately.

Removal Tool: Remove Fake Antivirus. (Download it here.)

Removal Guide
Kill Process
(How to kill a process effectively?)
mdefense.exe

Unregister DLL files
mdext.dll

Delete Registry
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\SimpleShlExt
HKEY_CLASSES_ROOT\CLSID\{5E2121EE-0300-11D4-8D3B-444553540000}
HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\SimpleShlExt
HKEY_LOCAL_MACHINE\SOFTWARE\Malware Defense
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Malware Defense"

Remove Folders and Files
$PROGRAMFILES\Malware Defense
$PROFILE\Start Menu\Programs\Malware Defense

Read more:
Constants in manual removal guide