Security Tool is a fake anti-virus program that installs a virus on your system. Just enter "Security Tool" (with quotation marks) in Google. You should never respond to such pop-ups unless initiated by you or unless it is coming from an application that you know is already installed on your system. Be suspicious of any pop-up telling you that your system is infected and that you need to download/install/purchase something to clear the infection '''<u>Thoroughly scan for malware</u>''' by following the instructions below. Download, install and update as many of the following as possible until your infections are cleaned. #The '''<u>free versions</u>''' of these scanners will detect infections and clean your system; no need to purchase #'''<u>Different malware scanners detect some malware that other scanners do not.</u>''' #If you are unable to download the malware programs, #* change the name of the installer program before saving the download to your hard drive, and #* once installed, go to the installation folder for the program and change the name of the program executable file (i.e., for Malwarebytes Anti-Malware, change mbam.exe to xyz-mb.exe), then update the program and run the scan. #* you may need to download on an un-infected computer, change the name of the installer program, copy the installer to a CD or USB thumb drive, and transport to your system for installation. #Some stubborn malware will need to be removed in '''Windows Safe Mode with Networking''' *Malwarebytes' Anti-Malware - http://www.malwarebytes.org/mbam.php *SuperAntispyware - http://www.superantispyware.com/ *AdAware - http://www.lavasoftusa.com/software/adaware/ *Spybot Search & Destroy - http://www.safer-networking.org/en/index.html *Windows Defender - http://www.microsoft.com/windows/products/winfamily/defender/default.mspx *Dr. Web Cureit - http://www.freedrweb.com/cureit/ If these don't find or can't clear the infection(s), post in one of these forums for specialized malware removal help: #Read and follow their rules for posting #Follow their instructions '''to the letter''' #Be patient; you are put in a queue and you will get a response when they get to your post *http://bleepingcomputer.com *http://www.spywareinfoforum.com/ *http://www.spywarewarrior.com/index.php *http://forum.aumha.org/ ------------------------------- After getting the virus(es) cleared from your system, you need to update the following out of date plugins that contain known security issues. * Adobe PDF Plug-In For Firefox and Netscape "9.3.3" * Shockwave Flash 10.0 r42 * Next Generation Java Plug-in 1.6.0_17 for Mozilla browsers #'''Check your plugin versions''': http://www.mozilla.com/en-US/plugincheck/ #*'''Note: plugin check page does not have information on all plugin versions''' #'''Update Adobe Reader (PDF plugin):''' #*From within your existing Adobe Reader ('''<u>if you have it already installed</u>'''): #**Open the Adobe Reader program from your Programs list #**Click Help > Check for Updates #**Follow the prompts for updating #**If this method works for you, skip the "Download complete installer" section below and proceed to "After the installation" below #*Download complete installer ('''if you do <u>NOT</u> have Adobe Reader installed'''): #**Use Firefox to download and SAVE the installer to your hard drive from the link in the article below #**On the Adobe page, un-check any extra items (i.e. Free McAfee® Security Scan Plus) then click Download button #**If you see message just under tabs, DO NOT click the Allow button, instead click below that where it says "click here to download". #**Click "Save to File"; save to your Desktop (so you can find it) #**After download completes, close Firefox #**Click the installer you just downloaded and allow the install to continue #***Note: Vista and Win7 users may need to right-click the installer and choose "Run as Administrator" #**'''<u>Download link and more information</u>''': https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox#Installing_and_updating_Adobe_Reader #*After the installation, start Firefox and check your version again. #'''Update Shockwave Flash''' #*Use Firefox to Download and SAVE to your hard drive from one of the links below; '''<u>the links take you directly to the download and you avoid the "getplus" download manager and "extras" (i.e., toolbars, virus scan links, etc.) on the main Adobe page.</u>''' #*SAVE to your Desktop so you can find it #*After download completes, close Firefox #*Click on the file you just downloaded and install #**Note: Vista and Win7 users may need to right-click the installer downloaded and choose "Run as Administrator" #**Note: Most browsers other than IE will also get updated with this one download #**Note: To update IE, same procedure '''<u>but use IE</u>''' to go: http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_ax.exe #*After installation, restart Firefox and check your version again. #*'''<u>Download links and other information</u>''': #** https://support.mozilla.com/en-US/kb/Managing+the+Flash+plugin#Updating_Flash #** '''<u>or</u>''' you can download, save, then run the manual installers for IE, then for Firefox (and all other browsers) from here: http://kb2.adobe.com/cps/191/tn_19166.html#main_ManualInstaller #* Also see: http://support.mozilla.com/en-US/kb/Installing+the+Flash+plugin #* Also see (if needed): http://kb2.adobe.com/cps/191/tn_19166.html#main_Uninstall #'''Update Java:''' #* Download and update instructions: https://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox #* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml #* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org/Java#Multiple_Java_Console_extensions #* After the installation, start Firefox and check your version again.