Hacking, spam, virus are widely known threats to the computer. A lot has been discussed about these menaces. So computer savvy people are well aware of such harmful elements. But nowadays another such malicious element has become the most potent threat to the net users, which is known by the name of Adware. In fact, there are several other names of Adware. A few the names are Malware, Scumware, Adware, Snoopware, and Crimeware. Whatever be the name, the destroy done by it is immense, which is the total corruption of the knowledge on the computer. In fact its harmful effect is much over that of other viruses & spams.
Background
Adware is but a disagreeable & rogue program which corrupts the knowledge on a computer. It came in to being in the last decade of 20th century. This malicious program first observes & tracks the net surfing habits of the net user. Then using that knowledge, its installs itself of the computer of the net user & performs secret operations without the user's knowledge.
Adware Infection Signs
Since Adware is invisible, most of the net users are not familiar with their name & features, but they are well acquainted with the signs. Of the major Adware infection symptom is that the computer crashes often. Also computer speed becomes slower. Mysterious new device bars appear which cannot be deleted. The number of pop ups increases considerably. Home page settings are altered. Search results throw up unusual results. There may other infection signs also. But these are the most common signs. The user is advised to take the help of a network support provider whenever the signs are observed.
How Adware infects computer
Adware does not enter the computer in the manner a common virus does. It enters the process by misleading the user or by utilizing the program vulnerabilities. Most of the Spywares gets installed in the computer keeping the user in the dark. Sometimes, these Spywares enter the computer by piggybacking on some other tidy program. Examples of piggybacking is sharing doc, mp3, jpeg files.
Presenting themselves as legal application program to the user is another process of getting installed. Often the Spywares make the user think that these are lovely program, such as security agent or web accelerator & tempt the user to put in them. As the user installs the apparently legal program, Spywares make entry in to the computer.
Sometimes the Adware installs itself in a computer through security gap in the net browser program. If the user browses a web-site which contains an Adware, the rogue code on that site infects the browser on the user's computer & installs the Adware.
Adware may also come the packaged form with other tidy program. When the user installs the lovely program, the Adware gets installed automatically without the knowledge of the user.
Spyware operations
An Adware program does not act on a computer alone. It is its associates. So there could be not but multiple infections. It could make CPU malfunction, corrupt the hard disk & disrupt network communication. As a result, the process crashes or fails to boot or freezes the already walking application.
Some Spywares have been created to display commercials. Pop up commercials are regularly triggered by lots of specific Spywares. Few Spywares collect knowledge about the user's browsing behavior.
In some cases Spywares have been used in identity theft. When the user performs some bank transactions on the World Wide Web, the Adware collects the vital knowledge like the user name, password account knowledge, etc & transmits over the net.
Solution to Adware issue
Lots of PC support providers render solutions to Adware issues. Whenever the user observes the Adware signs on the PC, immediately the help of a network support provider ought to be sought, who would run the anti Adware application on the infected computer to remove the nuisance.
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