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Name: QuickBrowser

Risk Level:

Type:  Adware

Removal: This infection can be removed using Spyware Doctor.

What is QuickBrowser?

QuickBrowser is adware which will display advertisements in the form of pop-ups. It will add itself to the startup which results in the application being launched each time windows starts up.

How did I get QuickBrowser?

You can be infected by this malicious program in varies ways. The most common method of distribution in through the process of bundling. Bundling is the process of automatically including software in addition to the desired software being downloaded. Many screensaver websites will bundled Adware along with the desired screensaver. Fake Windows dialog boxes stating the need for an upgrade or other enticing offers are also a popular form of distribution. Determining the exact cause of the infection can be difficult and sometimes unattainable.   

How do I remove QuickBrowser?

Removing any form of Spyware manually is always a dangerous proposition. Spyware creators have evolved their techniques over the years making it more and more difficult to successfully remove the infection manually. Using an Anti-Spyware tool is always the best remedy to solve your infection. In addition, any possible future Spyware threats will be absorbed and eliminated by your Anti-Spyware program.

What is Spyware?

n.) Any software that covertly gathers user information through the user's Internet connection without his or her knowledge, usually for advertising purposes. Spyware applications are typically bundled as a hidden component of freeware or shareware programs that can be downloaded from the Internet; however, it should be noted that the majority of shareware and freeware applications do not come with spyware. Once installed, the spyware monitors user activity on the Internet and transmits that information in the background to someone else. Spyware can also gather information about e-mail addresses and even passwords and credit card numbers.

Spyware is similar to a Trojan horse in that users unwittingly install the product when they install something else. A common way to become a victim of spyware is to download certain peer-to-peer file swapping products that are available today.

Aside from the questions of ethics and privacy, spyware steals from the user by using the computer's memory resources and also by eating bandwidth as it sends information back to the spyware's home base via the user's Internet connection. Because spyware is using memory and system resources, the applications running in the background can lead to system crashes or general system instability.

Because spyware exists as independent executable programs, they have the ability to monitor keystrokes, scan files on the hard drive, snoop other applications, such as chat programs or word processors, install other spyware programs, read cookies, change the default home page on the Web browser, consistently relaying this information back to the spyware author who will either use it for advertising/marketing purposes or sell the information to another party.

Licensing agreements that accompany software downloads sometimes warn the user that a spyware program will be installed along with the requested software, but the licensing agreements may not always be read completely because the notice of a spyware installation is often couched in obtuse, hard-to-read legal disclaimers.

Source: Webopedia

Prevention

Anti-spyware programs can combat spyware in two ways:

  1. real-time protection, which prevents the installation of spyware

  2. detection and removal of spyware.

Writers of anti-spyware programs usually find detection and removal simpler, and many more programs have become available which do so. Such programs inspect the contents of the Windows registry, the operating system files, and installed programs, and remove files and entries which match a list of known spyware components. Real-time protection from spyware works identically to real-time anti-virus protection: the software scans incoming network data and disk files at download time, and blocks the activity of components known to represent spyware. In some cases, it may also intercept attempts to install start-up items or to modify browser settings.

Earlier versions of anti-spyware programs focused chiefly on detection and removal. Javacool Software's SpywareBlaster, one of the first to offer real-time protection, blocked the installation of ActiveX-based and other spyware programs. To date, other programs such as Ad-Aware and Windows AntiSpyware now combine the two approaches, while SpywareBlaster remains focused on prevention.

Like most anti-virus software, many anti-spyware/adware tools require a frequently-updated database of threats. As new spyware programs are released, anti-spyware developers discover and evaluate them, making "signatures" or "definitions" which allow the software to detect and remove the spyware. As a result, anti-spyware software is of limited usefulness without a regular source of updates. Some vendors provide a subscription-based update service, while others provide updates gratis. Updates may be installed automatically on a schedule or before doing a scan, or may be done manually. Not all programs rely on updated definitions. Some programs rely partly (for instance Windows Defender) or entirely (BillP's WinPatrol, and certainly others) on historical observation. They watch certain configuration parameters (such as the Windows registry or browser configuration) and report any change to the user, without judgment or recommendation. Their chief advantage is that they do not rely on updated definitions. Even with a subscription, a "critical mass" of other users have to have, and report a problem before the new definition is characterized and propagated. The disadvantage is that they can offer no guidance. The user is left to determine "what did I just do, and is this configuration change appropriate?"

If a spyware program is not blocked and manages to get itself installed, it may resist attempts to terminate or uninstall it. Some programs work in pairs: when an anti-spyware scanner (or the user) terminates one running process, the other one respawns the killed program. Likewise, some spyware will detect attempts to remove registry keys and immediately add them again. Usually, booting the infected computer in safe mode allows an anti-spyware program a better chance of removing persistent spyware.

Source: Wikipedia