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How to remove SysDefenders?

January 12th, 2010

What is SysDefenders?

Sys Defenders is another fake antispyware program that rises from WiniGuard family. This group of malware has become extremely powerful lately. SysDefenders installs into computer system in a quite traditional way – with a help of Trojans. This way of infiltration makes it possible to be downloaded secretly. As soon as SySDefenders penetrates into computer, it makes the system comply with demands by this spyware. Sys Defenders creates some registry keys and files that control future actions of your computer.

First of all, Sys Defenders runs its fake system scanners and after scanning displays hundreds of detected infections which actually do not even exist. Sys Defenders also hijacks your browser, so you constantly get redirected to the websites that recommend purchasing SysDefeders in order to remove the existing malware and to protect your system from future spyware attacks. Keep in mind that it’s a scam and do not get attracted by SysDefenders promises to solve your protection issues.

If you become a victim of Sys Defenders, you will probably be attacked by hundreds of pop up ads claiming that your computer is in risk. The current text of such alerts looks like this:

English Alert:
Spyware Alert!
Your computer is infected with spyware. It could damage your critical files or expose your private data on the Internet. Click here to register your copy of BlockProtector and remove spyware threats from your PC.

French Alert:
Spyware Alerte!
Votre ordinateur est infecté de spyware. Il pourrait endommager vos fichiers critiques ou exposer vos données prives sur ‘Internet. Cliquez ici pour enregistrer votre copie de SysDefenders et enléver des menaces spyware de votre OP.

Italian Alert:
Spyware miniaccia!
Il suo computer è infetto di spyware. Puo dannegiare i suoi files criticali rivelare i suoi dati personali nell’Internet. Clicca qui per registrare la sua coppia di SysDefenders e rimouvere le minacce di spyware dal suo computer.

German Alert:
Spzprogramm Warnzeichen!
Ihr Computer ist mit Spionprogramm infektioniert. Das kann Ihren Dateien und die im Internet zugänglich machen. Klicken bitte hier, um Ihre Kopie von SysDefenders zu registrieren und Ihr PC von Spyprogramm frei zu machen.

Ignore all these alerts as well. Don’t get involved into future tricks of SysDefence and remove it from your machine immediately after detection. Use the removal guide below to make sure you remove SysDefence safely.


SysDefenders is Extremely dangerous

arrow SysDefenders is a corrupt Anti-Spyware program
arrow SysDefenders may spread via Trojans
arrow SysDefenders may display fake security messages
arrow SysDefenders may install additional spyware to your computer
arrow SysDefenders may repair its files, spread or update by itself
arrow SysDefenders violates your privacy and compromises your security
Download Spyware Doctor
for SysDefenders detection

Note: Spyware Doctor trial provides detection of parasite like SysDefenders and assists in its removal for free. You can remove detected files, processes and registry entries yourself or purchase a full version.



Manual SysDefenders removal


Important Note: Although it is possible to manually remove SysDefenders, such activity can permanently damage your system if any mistakes are made in the process, as advanced spyware parasites are able to automatically repair themselves if not completely removed. Thus, manual spyware removal is recommended for experienced users only, such as IT specialists or highly qualified system administrators. For other users, we recommend using Spyware Doctor or other malware and spyware removal applications found on 2-viruses.com.
Stop these SysDefenders processes:
Remove these SysDefenders Registry Entries:
Remove these SysDefenders files:
It is impossible to list all file names and locations of modern parasites. You can identify remaining parasites, other SysDefenders infected files and get help in SysDefenders removal by using free Spyware Doctor scanner. It comes with free real-time protection module that helps preventing SysDefenders and similar threats.

SysDefenders is classified as Rogue Anti-Spyware. After infecting a user’s system, it proceeds to scare its victim into buying the “product” by displaying fake security messages, stating that your computer is infected with spyware and only SysDefenders can help you to remove it after you download the trial version. As soon as the victim downloads SysDefenders trial version, it pretends to scan your computer and shows a grossly exaggerated amount of non-existent errors. Then, SysDefenders offers to buy the full version to fix these false errors. If the user agrees, SysDefenders does not only fix the errors, but it also takes the user’s money and may even install additional spyware into the victim’s computer.

Some Rogue Anti-Spyware, such as SysDefenders, may offer users to buy it after the victim clicks on a banner or a pop-up while surfing the internet. Usually, a Trojan is installed to a victim’s computer after clicking on the advertisement. It then proceeds to download or even install SysDefenders, which is another way for Rogue Anti-Spyware to spread itself.

Most of rogue Anti-Spyware, such as SysDefenders, is nearly impossible to remove manually.


How to tell if your PC has been infected by a Rogue Anti-Spyware such as SysDefenders?

Numerous undesirable and annoying pop-ups: A typical Rogue Anti-Spyware parasite keeps track of your internet browsing habits, sending your browsing history data to remote servers, owned by third party companies that use this information to advertise their products via numerous pop-ups, toolbars, hijacked homepages and spam letters. All these undesirable advertising methods are used on the victims of Rogue Anti-Spyware.
Changed or new icons: Sometimes, Rogue Anti-Spyware installs unwanted software to a victim’s PC without user’s knowledge and consent. This may lead to slower PC performance and stability, as well as more unwanted programs you can't remove.

Rogue Anti-Spyware

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