QuestBrowser.com

By Domesticus in Browser Hijackers

QuestBrowser.com Image

QuestBrowser.com is a bogus search engine that is associated with a malicious browser toolbar. The QuestBrowser.com website belongs to a batch of fake search engines released in November and December of 2011. These websites all have identical layouts and only differ in each particular website's name. The interface of these malicious search engines is characterized by using a green-tinted globe as a logo, although some members of this family of fake search engines use other logos, all with the same gray and green color scheme. The background of the page is in light gray or white, with the website's name in the center. Below the page, you will find a search box with the message 'Search the Web!' It is strongly advised by ESG security researchers that you do not follow this message's advice, since using the QuestBrowser.com to 'search the web' will actually result in a list of spam, made up of nothing but advertisements and links to websites containing unsafe content. This is because the main goal of the QuestBrowser.com website is to generate advertising revenue by taking advantage of inexperienced computer users. By infecting your computer system with malware, the criminals behind the QuestBrowser.com bogus search engine can make a profit. Do not let criminals profit from annoying you and infecting your computer system! Remove all malware associated with QuestBrowser.com by using a legitimate, fully-updated anti-malware application.

While the QuestBrowser.com website is not particularly harmful, PC security analysts consider fake search engines such as QuestBrowser.com to be threats to your privacy and your computer's security. This is because QuestBrowser.com is closely associated with a variety of malware, especially browser-hijacking. Browser hijackers linked to QuestBrowser.com take the form of a malicious browser toolbar. In fact, ESG security researchers recommend being very careful when it comes to installing toolbars for you Internet browser of choice. These kinds of Browser Helper Objects (also known as BHO) are a common delivery vehicle for adware, spyware or browser hijackers. Browser hijackers associated with QuestBrowser.com can make changes to your computer system's settings and to the Windows Registry. If your computer system is infected with a browser hijacker linked to QuestBrowser.com, you may discover that your Internet connection's quality is severely decreased and that your Internet browser keeps taking you to the QuestBrowser.com website against your will.

File System Details

QuestBrowser.com may create the following file(s):
# File Name Detections
1. %AppData%QuestBrowsertoolbarpreferences.dat
2. %AppData%QuestBrowsertoolbardtx.ini
3. %AppData%QuestBrowsertoolbarcouponscategories.xml
4. %AppData%QuestBrowsertoolbarversion.xml
5. %AppData%QuestBrowsertoolbarlog.txt
6. %AppData%QuestBrowsertoolbarstats.dat
7. %AppData%QuestBrowsertoolbaruninstallIE.dat
8. %AppData%QuestBrowsertoolbaruninstallStatIE.dat
9. %AppData%QuestBrowsertoolbarcouponsmerchants2.xml
10. %AppData%QuestBrowsertoolbarstat.log
11. %AppData%QuestBrowsertoolbarguid.dat
12. %AppData%QuestBrowsertoolbarcouponsmerchants.xml
13. %Temp%QuestBrowsertoolbar-manifest.xml

Registry Details

QuestBrowser.com may create the following registry entry or registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID{A40DC6C5-79D0-4ca8-A185-8FF989AF1115}VersionIndependentProgID "QuestBrowserIEHelper.UrlHelper"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\QuestBrowserIEHelper.DNSGuardCurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\QuestBrowserIEHelper.DNSGuardCLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID{99079a25-328f-4bd4-be04-00955acaa0a7}InprocServer32 "C:PROGRA~1WINDOW~4ToolBarQuestBrowserdtx.dll"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID{A40DC6C5-79D0-4ca8-A185-8FF989AF1115}ProgID “QuestBrowserIEHelper.UrlHelper.1?
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet ExplorerToolbar "QuestBrowser Toolbar"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects{99079a25-328f-4bd4-be04-00955acaa0a7} "QuestBrowser QuestBrowser Toolbar"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID{99079a25-328f-4bd4-be04-00955acaa0a7} "QuestBrowser Toolbar"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID{A40DC6C5-79D0-4ca8-A185-8FF989AF1115} "UrlHelper Class"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\QuestBrowserIEHelper.DNSGuard.1
HKEY_LOCAL_MACHINE\SOFTWARE\ClassesQuestBrowserIEHelper.DNSGuard

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