SysDefence is a misleading application! This fake application can be downloaded from the publisher’s site and must be manually installed. When a user downloads SysDefence and runs a scan, it displays a large number of fake results about security threats on the system. The misleading application forces the user to buy a licensed version in order to remove the fake security threats.

Type: Misleading Application
Name: SysDefence
Version: New
Publisher: Unknown
Risk Impact: Medium
Systems Affected: Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows Server 2003, Windows 2000
Behavior: SysDefence is a misleading application that may give exaggerated reports of threats on the computer.


How to Remove SysDefence
The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.

  1. Disable System Restore (Windows Me/XP).
  2. Update the virus definitions.
  3. Run a full system scan.
  4. Delete any values added to the registry.

For specific details on each of these steps, read the following instructions.

If you do not have Norton Antivirus, you can download a free copy of Malwarebytes’ Anti-Malware to remove this software. You can also try this new Fake Antivirus Removal Software.