XPdefender is a rogue anti-spyware applications which is installed by trojan.zlob without user knowledge. XPdefender is a part of cyber crime and once inside, XPdefender starts to generate various fake security notifications and shows false scanning results. It prompted to pay for a full license of the application in order to remove the false infections.
Download – Removal Tool for XPdefender
Screenshots:
XP defender

Symptoms of XPdefender
Pop up balloon warning messages claiming that your PC is infected.
- "Critical System Error",
- "Your computer is infected",
- "Virus Alert",
- "Security Alert"
| MANUAL REMOVAL PROCESS |
Search and kill the following processes (Learn Here)
XPdefender.exe
Remove XPdefender files & dlls files (Learn Here)
XPdefender.exe
XPdefender Uninstall.lnk
XPdefender
XPdefender.lnk
XPdefender.db
Remove/Modify corrupt Registry Entries (Learn Here)
HKEY_CURRENT_USER\Software\XPdefender
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\XPdefender
HKEY_LOCAL_MACHINE\SOFTWARE\XPdefender