Spyware - How it Infiltrates your Computer's Hard Drive

Nowadays there are several types of spyware out there. No matter what kind you get attacked by, they are not only annoying but they can be quite costly. It doesn’t take much to get this malicious software onto your computer these days as it is everywhere!

Unfortunately, many of the sites you enter have some form of spyware on them. It can be in the form of pop-ups or secret downloads but for the most part there are three main ways to get spyware installed into your machine. Most commonly it can be done by accidentally downloading it from the web site you are on by an Active X or Java trigger. Another way includes downloading it purposefully thinking that it is another program to later find out it had a spyware bundle hidden inside of it. Alternatively, someone you know who has access to your computer can place it manually onto your machine with out you even knowing.

The most common way to get bugged is by downloading spyware. It comes with most freeware which is the reason why it is free. All those fancy new cursors, screen savers, and tool bars are a great method of infection. They are also found in shareware programs that transfer music and movie files from computer to computer. The programmer does this by installing the spyware into the middle of the original file as a bundle. This will allow you to have the program but also bring affiliate advertisement and money to the programmer for bugging your computer. This may seem devious but even so the companies that offer shareware and freeware know you must agree to their privacy and license agreement before the download can take place. The problem with these agreements is that they are the very similar to the agreements of the good companies and more often than not people tend to click "agree" before even reading the content which will include a section stating that there are risk issues when downloading items from the Internet.

Ports or browsers are often unaware of the installed spyware which is able to sneak by you with out you even noticing it. They seek out open and unsecured ports as well as Active X and Java automatic downloads to attach the spyware. This type of spyware is activated by going onto a web site that has been triggered to detect Active X or Java in your browser. If these are present then they will read the information hidden in the site and begin to download it to your computer as prompted. They will not be blocked by your firewall because a program already installed on your computer runs them. Unfortunately they will run unknowingly for quite sometime before you see a change in your system. This means that by the time you realize they are there, it will be too late and all the information, no matter how personal will be sent. This type of spyware can be in the form of adware, keyloggers, pornware, or any other type of malware.

Alternatively, manually installed spyware is not something you can get from surfing the web. This is not installed from remote computers or any other computer at all. Only someone who has complete access to the computer places this type of spyware onto your system. Keyloggers are small inline devices placed in between the keyboard and computer. They are so extremely small that they are very hard to detect and can be unnoticed for long periods of time. This type of device requires the person placing the device to have physical access to the computer. A family member, for example, may do this to see what is being done on the computer when not supervised.

They are capable of capturing passwords, user names, and other personal information. This includes conversations via instant messenger and e-mails. The software keylogger uses a hooking device which monitors all keystrokes to retrieve the information. It uses the Window function of SetWindowHookEx() to carry out this action. This type of program can be installed via corrupted files on the net or through other spyware techniques. Once downloaded into the system they initiate the hook function and a DLL function for logging. This software can capture almost every thing one does on the computer.

The third type of keylogger is the kernel/driver one. This type gets its information directly from the keyboard which replaces the main software for tracking keystrokes. It can be so cleverly programmed that it is almost completely undetectable. It is active as soon as the computer begins booting and starts before any user-level programs start up. However it cannot get auto-complete passwords like the other types can.

Article Source: http://www.articlemap.com

For more great tips on keeping your computer free of Spyware, visit Anti Spyware Secrets.

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