Monday, July 1, 2013

Remove Chatzum virus.How to uninstall Chatzum search toolbar

Chatzum search redirect is a malicious browser hijack virus which attaches itself to Firefox, Chrome and Internet explorer as Chatzum toolbar. But once it has been installed, it will modify default system and DNS settings without your permission. Then it starts stealing personal user information and also displays unwanted ads on infected PC. This virus causes Google search results to be redirected to Chatzum.com search. Moreover, you may notice slowed down system speed along with frequent browser crashes.
If you are willing to uninstall Chatzum toolbar virus, follow the instructions below or use a malware removal tool because removing this threat might not be that easy. In most cases, Chatzum malware prevents user from uninstalling it through control panel or if removed, then it keeps coming back over and over.
Disadvantages and risks of having Chatzum toolbar:
  • It may change & corrupt default settings of browsers like Firefox, Chrome or Internet explorer
  • Changes home page and displays unwanted pop-ups advertisements
  • Causes frequent web redirects to wrong websites, hijacks search engine settings and leads to unexpected webpages
  • Keeps record of browsing activities and interests
  • Collects Personal user information which may include sensitive financial data such as logins, usernames, accounts
  • It may bring further infections are direct the user to infectious sites
  • Makes the browser run slow, uses a big part of system resources
 Want to get rid of Browser Hijack Chatzum toolbar?:
To remove Chatzum toolbar manually, follow the instructions.
First of all, Uninstall the program. (Skip to the next step if the application is not listed in Control Panel).
“Start > Settings > Control Panel. Now Locate and open “Add or Remove Programs” or “PROGRAMS AND FEATURES”. Find “Chatzum toolbar”. Now click Uninstall/Remove.
Now remove the program from Browser.
Internet Explorer users:
Click “Tools” (if on Internet Explorer 9, click gear icon), Then “Manage Add-ons”. Look for Chatzum toolbar. Disable if found any.
Block pop-ups of Chatzum toolbar
To stop pop-ups from malware,
Click on TOOLS > POP-UP BLOCKER, then click TURN ON POP-UP BLOCKER. and then go to POP-UP BLOCKER SETTINGS. (Type any website you wish to block popups from)
 Firefox users:
Go to “Tools” (at the top), > “Add-ons” > “Extensions” and disable “Chatzum toolbar”
 Chrome Users:
Click “Tools/Settings” (Wrench incon), > “Add-ons” > “Extensions” and disable any file associate with malware.

Still Spyware Chatzum toolbar lurking in the system? Remove manually
Stop processes of this malware:
Open Task Manager to stop processes.
Remove associated registry settings:
HKEY_CLASSES_ROOT\urlsearchhook.toolbarurlsearchhook
HKEY_LOCAL_MACHINE\software\classes\urlsearchhook.toolbarurlsearchhook
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar
HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\extensions,
HKEY_CURRENT_USER\software\microsoft\internet explorer\toolbar\webbrowser
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnonBadCertRecving” = ’0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop “NoChangingWallPaper” = ’1
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’1
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = ’1
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “CheckExeSignatures” = ‘no’
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main “Use FormSuggest” = ‘yes’
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “ShowSuperHidden” = 0
Delete Chatzum toolbar infected files:
chatzum_nt.exe
chatzum
%Profile%\Local Settings\Temp\
%ProgramFiles%\

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