Browser Plugins

Total Browser Plugins parasites in our DB: 110
Browser Plugins added today: 0
 
 

WHAT IS A BROWSER PLUGIN?

A browser plugin (or plug-in) is a computer program that expands web browser’s functionality by adding certain extra features in it. A browser plugin requires a supported web browser to be installed. It is practically useless without it. Most browser plugins are visible to a user. They install additional toolbars, marketing and search assistants, add some buttons, links or functions like a pop-up blocking. Some plugins are invisible to a user, as they run in background and do not have any graphical interface. Usually they provide support for particular data types, which allows to view specific documents, watch animation or play non-standard video files within a web browser. However, some of their functions can be malicious.

Browser plugins are divided into harmful parasites and fully legitimate applications. Parasitical browser plugins are very similar to spyware, adware and browser hijackers and often have some of their functions. They can be installed without explicit user consent and often do not provide any functional uninstall feature. Some malicious browser plugins have integrated quite convenient toolbars and other additional tools, which often helps them to trick users into leaving parasites in the system, as such tools do not look related to actual threats.

Legitimate browser plugins are not only harmless, but also very useful. Popular programs such as Google Toolbar, MSN Search Toolbar, Macromedia Flash plugin or Adobe Acrobat Reader plugin are perfect examples of legitimate browser add-ons. Navigate to browser plugin parasites

Newest Browser Plugins

MegaSearch

August 19th, 2014
MegaSearch (also known as MegaSearch Toolbar) is another program, which belongs to adware or browser hijacker category. We say so because this toolbar can easily enter computers unnoticed. In addition, MegaSearch hijacks all web browsers, alters default search engine or the homepage, displays commercial pop-up notifications and may even start... More...

Crawler

August 13th, 2014
Crawler is not a virus or malware. However, it can definitely be called a totally annoying program, which initiates havoc in people's browsing. According to its victims, this program can easily make you visit crawler.com and other unknown websites when you open your browser and start searching the web. Besides,... More...

Alexa Toolbar

September 26th, 2013
Alexa Toolbar is a potentially unwanted program, which is owned by Amazon and is compatible with Internet Explorer, Google Chrome and Mozilla Firefox. Mostly, users install this program on their computers because they expect helpful information from it - Alexa Toolbar provides varied information about sites, like traffic rankings, user reviews and... More...

DATABASE OF Browser Plugins PARASITES

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  • 2020Search November 17th, 2005 13 Comments
    2020Search is a malicious Internet Explorer toolbar that changes default web search settings and redirects a web brow...
  • 4Arcade February 29th, 2008 No Comments
    4Arcade is a malicious adware parasite, which usually comes bundled with freeware games or is insidiously installed othe...
  • 4Arcade PBar July 17th, 2005 No Comments
    It is a toolbar for Internet Explorer browser. It also changes some of the browser setings.
  • 7FaSSt April 5th, 2004 1 Comments
    7FaSSt is an Internet explorer toolbar which provides a search field and displays results of search engine 7search.com.
  • 888bar December 20th, 2006 No Comments
    888bar is an Internet Explorer toolbar that provides links to certain search engines, gambling and entertainment web sit...
  • AdBars September 30th, 2005 No Comments
    AdBars is an Internet Explorer toolbar providing a web search service. It changes the web browser's default home page to...
  • Adult Links September 1st, 2005 No Comments
    Adult Links is an Internet Explorer toolbar that monitors user Internet activity, changes web browser's default search p...
  • Adware.404Search February 29th, 2008 No Comments
    Adware.404Search is a malicious adware parasite by 404search.com. This parasite will monitor the user's online activitie...
  • Alexa Toolbar September 26th, 2013 16 Comments
    Alexa Toolbar is a potentially unwanted program, which is owned by Amazon and is compatible with Internet Explorer, Goog...
  • Alibaba Toolbar October 4th, 2005 No Comments
    Alibaba Toolbar is an Internet Explorer plugin that monitors user Internet activity and records specific keywords that t...
  • Anquiro August 4th, 2005 No Comments
    Anquiro is a third-party Internet Explorer toolbar that tracks user browsing habits and changes default start page to a ...
  • Babylon Toolbar September 24th, 2013 20 Comments
    Babylon Toolbar is a web browser add-on that allows you to get quick translations and definitions directly from the web ...
  • Begin2search September 29th, 2005 No Comments
    Begin2search is an Internet Explorer toolbar providing a web search service. The threat serves commercial pop-up adverti...
  • BlowSearch April 6th, 2004 No Comments
    BlowSearch is an Internet Explorer search toolbar. The FREE BlowSearch.com Search Toolbar installs in seconds and inc...
  • Bocai Toolbar October 27th, 2005 No Comments
    Bocai Toolbar is an Internet Explorer plugin that displays the additional button and extra menu in Chinese. The threat r...
  • Browser Pal August 29th, 2005 No Comments
    Browser Pal is an Internet Explorer toolbar that offers a web search service and integrated pop-up blocker. The threat a...
  • Caiijing December 26th, 2006 No Comments
    Caiijing is an Internet Explorer toolbar that mimics the legitimate Google Toolbar. The parasite serves commercial adver...
  • Cinmeng December 28th, 2006 No Comments
    Cinmeng is a malicious Internet Explorer add-on that serves pop-up advertisements, monitors user Internet activity and s...
  • ClientMan April 6th, 2005 23 Comments
    Clientman Makes all targeted words in all web pages links with a yellow background, pointing to ClientMan's server odyss...
  • ClientMan.bho1 April 6th, 2004 No Comments
    ClientMan.bho1 is a variant of the ClientMan spyware From the developer: V -The user understands and acknowledges...
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WAYS OF INFECTION

Parasitical browser plugins differ from regular viruses. They do not spread by themselves and usually must be installed as any other software with or without user content. There are four major ways unsolicited browser plugins can get into the system.

1. Some vendors of malicious browser plugins deceive users by presenting a particular product as a very needful and absolutely harmless tool, for example, a powerful web search service or reliable pop-up blocker. Users download and install such plugins. However, practically all of them appear to be not only completely useless or ineffective, but also potentially dangerous. Although in most cases users can uninstall these products, malicious components may stay in the system and remain fully functional.
2. Lots of free, advertising-supported or shareware products are bundled with small add-ons needed by the host program to work properly. These add-ons actually are third-party spyware or adware parasites and malicious browser plugins. Uninstalling the host application not always removes bundled threat.
3. Lots of spyware and adware parasites have integrated third-party browser plugins that get silently installed during the host parasite’s installation process. Removing a particular spyware or adware doesn’t affect a browser plugin.
4. Some unsolicited browser plugins can get into the system using Internet Explorer ActiveX controls or exploiting certain web browser vulnerabilities. Their vendors run insecure web sites filled with malicious code or distribute unsafe advertising pop-ups. Whenever the user visits such a site or clicks on such a pop-up, harmful scripts instantly install a parasite. The user cannot notice anything suspicious, as a threat does not display any setup wizards, dialogs or warnings.

Browser plugins affect mostly Microsoft Internet Explorer web browser. Some less prevalent threats are designed to compromise other popular browsers.

WHAT A BROWSER PLUGIN DOES?

- Installs additional web browser toolbar with particular features like a web search service, search assistant, pop-up blocker, form-filling utility or other similar tool.
- Creates additional web browser buttons, displays numerous links to various Internet resources, adds bookmarks to the web browser’s Favorites list.
- Tracks user’s web browsing habits, gathers information about user’s interests, records addresses of visited web sites, logs taken actions and sends some or all collected data to a remote server.
- Displays pop-ups and shows commercial advertisements in web browser’s windows or within particular toolbars.
- Changes web browser’s default home and search pages to predetermined web sites without asking for user permission.
- Redirects a web browser to a predefined site whenever the user enters invalid address, performs an Internet search or without any obvious reason.
- Modifies essential web browser settings and adds undesirable or insecure resources to the Trusted sites list.
- Degrades overall web browser stability and performance. Some parasites are badly programmed, they waste too much computer resources and conflict with installed applications.
- Provides no fully functional uninstall feature.

EXAMPLES OF BROWSER PLUGINS

There are lots of different parasitical browser plugins. The following examples illustrate how treacherous and harmful these threats can be.

DashBar is one of the most prevalent browser plugins. It installs an additional Internet Explorer toolbar that offers a web search service, form-filling utility, useful navigation buttons such as Weather, Entertainment or News. However, its advertising-supported version silently downloads and installs main components of GAIN adware parasite.

SearchWords is a toolbar for Internet Explorer that modifies web search settings and displays undesirable commercial advertisements. The parasite must be manually installed. However, it provides no functional uninstall feature. SearchWords runs every time a user starts Internet Explorer.

zSearch is a third-party Internet Explorer toolbar that offers an Internet search service. The program records addresses of visited web sites, logs performed web searches and collects information about computer and installed software. Then gathered data is sent to a remote web server. zSearch can update itself via the Internet without user knowledge. The threat runs on every Windows startup.

HungryHands is a parasitic browser plugin designed to redirect the web browser to adult Internet sites without asking for user permission. HungryHands can be installed as a component of some advertising-supported software. It doesn’t have the uninstall feature.

CONSEQUENCES OF INFECTION

Most parasitical browser plugins complicate usual web surfing. They often redirect a web browser to undesirable web sites, display large amount of annoying commercial advertisements, even block access to certain Internet resources. Their search services are able to intercept keywords that the user enters into popular Internet search engines and present own results, which aren’t very precise and reliable. Although such behavior is not harmful, the user may be unable to quickly find required information.

Some browser plugins affect the system and installed software. Parasites cause web browser instability issues, frequent errors and overall performance problems. Some reputable applications and legitimate browser add-ons may be also affected by parasite activity.

Some threats violate user privacy. They disclose user’s personal information to advertisers and even hackers. Malicious persons use parasitical browser plugins to track user activity in the Internet, find out their victim’s name, contact information and even steal priceless identity data, which then can be used for unclear purposes.

HOW TO REMOVE A BROWSER PLUGIN?

As it was said above most browser plugins are quite similar to spyware and adware threats and therefore cannot be removed with the help of popular antivirus products. To remove them special anti-spyware tools (spyware removers) should be used. These programs scan the system in similar way as antivirus software does. However, they have special parasite signature databases, which allow them to detect and eliminate most privacy risks. Powerful spyware removers include real-time monitors that prevent the installation of known risks and unauthorized system modification. The most effective and popular anti-spyware programs are Microsoft AntiSpyware Beta, Spyware Doctor, Spybot - Search & Destroy, Ad-Aware SE, SpyHunter, eTrust PestPatrol. Several products such as HijackThis are designed especially to detect and remove parasites that affect a web browser.

In some cases even a spyware remover can fail to get rid of a particular parasite. That is why there are Internet resources such as 2-Spyware.com, which provide manual malware removal instructions. These instructions allow the user to manually delete all the files, directories, registry entries and other objects that belong to a parasite. However, manual removal requires fair system knowledge and therefore can be a quite difficult task for novices.

Not all browser plugins (even if they track some personal information) are bad and needed to remove immediately.


Additional resources related to Browser Plugins:

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