One day, you suddenly realize that your computer started to worknoticeably slower than it used to. You decide to run de-fragmentation of your hard drive and add more virtual memory to the system. No luck! May be, it’s probably some viruses, you reckon turning on your virus scanning software. Even after running the anti-virus program you notice that the problem won’t resolve. Not understanding what’s happening frustrated you pick up the phone. It’s time to call your tech-support. Sounds familiar? You are not alone! Each day, thousands of users are facing similar problems caused by malicious software called Spyware. According to Dell technical support, nowadays 12 percent of their support calls involve problems related to some kinds of Spyware. Microsoft reports that fifty percent of all computer crushes are caused by Spyware, viruses and Trojans.
What is a Spyware?
Spyware – also named Malware or Adware – are malicious software programs, which most of the time get installed on your computer without your knowledge. These programs are capable of doing many outrageous, sinister things to your computer such as changing computer settings, tracking your online behavior, monitoring andcontrolling your computer, recording your keystrokes, displaying unwanted advertisement and reporting needed information back to the person behind it.
The main types of Spyware are:
Key loggers: This type of Spyware copies everything you type to a file and send it to the hacker. The more sophisticated type, which is used for identity theft, copies the information you provide when you are connected to a secure website.
Browser hijacker: It modifies browser settings without your permission. This Spyware is capable of changing your start page, search page, search tool bar and redirect your url to specific pages.
Email redirector: Surreptitiously copies all your incoming and outgoing emails and sends to the hacker.
Dialers: This spyware install themselves to your dial-up settingsand dials numbers without your knowledge, often to out of countrynumbers.
Collectware: The purpose of this Spyware is to track your surfinghabit and transmitting the statistical data to the hacker. This information later gets sold to advertisement companies.
Adware: This Spyware downloads all sorts of banner advertisementsevery time you take some action such as typing a word on your search tool.
Why my antivirus program does not block a Spyware?
Although, Spyware uses same tactics like “Trojan” virus, technically it is not a virus. A virus is a program written to create trouble or possibly harm your computer system. Viruses arecapable of replicate, evolve and cause severe damages to your computer files, registry or even hardware. Spyware, on the other hand, does not harm your computer intentionally. Any nuisance like system slow down is the collateral damage, which occurs while the Spyware serves its mission of monitoring your activities and making unwanted changes to your user experience.
People rarely read the fine prints of the user agreements while downloading a file, a program, a game or other free stuffs from the Internet. Unethical sites use this to their advantage and add tiny Spyware with the file you are downloading.
The anti-virus programs can not be sure, whether this program is installed deliberately by you or it’s a malicious Spyware. This makes identifying and blocking a Spyware difficult for an Anti-virus program. However, things are started to change! Major anti-virus companies are planning to integrate anti-spyware programs to their existing products very soon.
How did I get infected with a Spyware?
There are numerous ways how you might end up with having a Spyware on your system.
- When you download and install programs, games, smilies, pictures, screensavers from dubious sites, there is a big chance that you might install a sneaky Spyware along the way.
- Some websites and pop-up windows try to download and install Spyware while you are there. According a recent analysis of sex-based websites, up to 80 percent of these sites are now being used to upload Spyware, worms and Trojans to unsuspecting visitors.
- Some add-ons to you browser that is supposed to enhance your browser experience may secretively install Spyware.
- The most cynical method of infecting you with Spyware is when you receive a sudden pop-up ad, which claims that your computer is contaminated and you have to run certain program to cure your system. If you are credulous enough to run this program, it just installs a Spyware instead of eliminating any.
How to fight back?
If you carefully follow the instructions outlined below, your chancesof getting infected with Spyware are pretty slim.
Update your WindowsAllow your version of Windows to update it automatically. Ensure thatyou have all the latest security patches installed.
Use Firefox as your default browserSince Internet Explorer is the main target for many Spyware, you willbe better of with Mozilla Firefox. Moreover, it is a better browser than IE in many aspects.
Be extremely careful with your downloadsTry not to download anything from a unknown site. If you still feel like getting a shareware or freeware program check it out on one of these online Spyware database. Spychecker (http://www.spychecker.com/)is one such service, and Camtech 2000's Spy Chaser(http://camtech2000.net/Pages/SpyChaser.html)is a nifty downloadable database of nearly1000 spyware-infested programs.
Use an Anti-Spyware applicationDownload and install one of the following anti-spyware programs: Ad-aware (http://www.lavasoftusa.com/software/adaware/), Spybot (http://www.safer-networking.org/en/spybotsd/index.html) and Microsoft AntiSpyware. Although, Microsoft’s Anti-Spyware
(http://www.microsoft.com/athome/security/spyware/software/default.mspx)is still at beta stage, I am using it and very happy with its performance.
Get a FirewallIf you are using Windows XP with Service Pack 2, you are probably fine! In other cases, if your computer is connected to the Internet directly you should get a firewall and install it. Zone alarm
(http://www.zonelabs.com/store/content/home.jsp) is a great firewall you can download for free.
A recently conducted survey of the Top Network Security threats in 2005 reveals that two-thirds of IT managers and administrators believe that Spyware will be the number one threat to network security. So don’t take any chance! Make sure that you are protected!
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