Tuesday, October 2, 2012

How to be Far Away from TROJAN:JS/MEDFOS.B and Its Associated Problems?


  1. Blocks downloads of security software.
  2. Changes critical registries, files and browser settings
  3. Stays resident in background to slow down pc performance.
  4. Desktop background image and Browser homepage settings are changed.
  5. Corrupts your windows registry and uses it to deploy annoying pop up ads out of nowhere.
  6. Shows commercial adverts and redirects you to suspicious websites to download more malwares.
To get rid of TROJAN:JS/MEDFOS.B at once, please contact experts from Tee Support 24/7 Online for further help or follow the steps if you are an experienced computer user.



TROJAN:JS/MEDFOS.B is found to be present on the computer in order to generate revenue for its authors. It pretends as useful software that tricks you into executing the code. 

Once executed TROJAN:JS/MEDFOS.B may generate corrupt files in the registry use large amount of system resources causing unreliable computer performance by changing system HOSTS files to block users search and download security softwares, what’s more, TROJAN:JS/MEDFOS.B can download other threats on visitor’s computer though a drive-by-download method. These harmful malware will completely mess up your system and cause various system corruptions, resulting in that your PC will experience system crash occasionally.


Step-by-Step Tutorial of  TROJAN:JS/MEDFOS.B Radical Removal

Step1:Restart your system and get into the safe mode with networking As the computer is booting but before Windows launches, tap the "F8 key" continuously which should bring up the "Windows Advanced Options Menu" as shown below. Use your arrow keys to highlight "Safe Mode with Networking" option and press Enter key.


Step2:Please stop the processes listed below Press CTRL+ALT+DEL key to open Task Manager


Step3:Go to the Registry Editor to delete all related entries listed below Click “Start” menu, hit “Run”, then type “regedit” click “OK”.

Related registry keys:

HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuardCurVer HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuard.1

Step4: Delete related files and folders
%AppData%[trojan name]toolbardtx.ini %AppData%[trojan name]toolbaruninstallIE.dat %AppData%[trojan name]toolbarversion.xml


Video on How to Deal with Processes and Registries

Note: Removal of TROJAN:JS/MEDFOS.B is not as easy as it may look from  introduction above. To get help instantly, you’re welcome to start a live chat with expert here.

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