Free Security Software for Prevention and Removal
* As with any software installation, if you are offered to install a toolbar and you do not want it, UNcheck that option.
* Some software vendors are now using TrialPay service to offer their software, service or subscription for free. Please do NOT sign-up for TrialPay account unless you want to buy or try a product or any item in TrialPay.
Details HERE
Prevention
HOSTS File
By replacing the default HOSTS file in Windows, this will help in stopping the communication with websites that is known to install or inject malware or parasites.
1. MVPS Hosts
http://www.mvps.org/winhelp2002/hosts.htm
2. hpHosts
http://www.hosts-file.net/?s=Download
Secunia PSI
http://secunia.com/vulnerability_scanning/personal/
The Secunia PSI is the vulnerability scanner for your personal computer. It is the FREE security tool designed with the sole purpose of helping you secure your computer from software vulnerabilities.
Spyware Warriors List of Rogue/Suspect Anti-Spyware Products & Web Sites
http://www.spywarewarrior.com/rogue_anti-spyware.htm
This is a list of suspicious/rogue anti-spyware solutions and domains currently being marketed on the Web. The alphabetized list includes products that are of unknown, questionable, or dubious value as anti-spyware protection. It includes a comment section explaining why the product was suspect. * Note: This list has not been updated since 2007.
McAfee SiteAdvisor
http://www.siteadvisor.com/
SiteAdvisor will warn you before you interact with a dangerous Web site. McAfee offers free and Plus version of SiteAdvisor. Browser supported: IE, Firefox
SiteHound
http://www.firetrust.com/en/products/sitehound
This toolbar will block sites that are known Rogue or Suspect Product distributors. It will also block many other website that pose a security threat to the user. Firetrust offers free and paid versions of SiteHound. Browser supported: IE, Firefox
TrendProtect
http://www.trendsecure.com/portal/en-US/free_security_tools/trendprotect.php
TrendProtect is a FREE browser plug-in that helps you avoid Web pages with unwanted content and hidden threats. TrendProtect rates the current page and pages listed in Google, MSN, and Yahoo search results. You can use the rating to decide if you want to visit or avoid a given Web page. Supported Browser: IE and Firefox
Web Of Trust
http://www.mywot.com/
WOT is a Free Internet Security addon for Firefox and IE that warns you about online scams and risky websites that try to deliver malware or send spam.
WOT warns you before you interact with a risky website.
Free Anti-Virus Programs
AVG Free Version
http://www.grisoft.com/us.product-avg-anti-virus-free-edition
avast! antivirus 4 Home Edition
http://www.avast.com/eng/avast_4_home.html
Avira AntiVir® PersonalEdition Classic
http://www.free-av.com/
ClamWin Free Antivirus
http://www.clamwin.com/
Microsoft Security Essentials
http://www.microsoft.com/security_essentials/
Panda Cloud Antivirus
http://www.cloudantivirus.com/en/
Free Anti-Spyware Programs
Ad-aware (Free and Paid Versions)
http://www.download.com/Ad-Aware-2008/3000-8022_4-10045910.html
Malwarebytes' Anti-Malware (Free and Paid Versions)
http://www.besttechie.net/tools/mbam-setup.exe
http://www.majorgeeks.com/Malwarebytes_Anti-Malware_d5756.html
Spybot Search and Destroy (Free)
http://www.safer-networking.org/en/download/index.html
SpywareBlaster
http://www.javacoolsoftware.com/spywareblaster.html
This will block bad ActiveX and harmful cookies from getting on to your PC in the first place. Just download and install the program. Open SpywareBlaster, check for and download updates, then 'select all' to protect against all items checked. Program needs to be kept updated.
Super AntiSpyware (Free and Paid Versions)
http://www.superantispyware.com/http://
http://www.softpedia.com/get/Internet/Popup-Ad-Spyware-Blockers/SUPERAntiSpyware.shtml
Windows Defender (Free)
http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
Free Firewalls (Free and Paid versions available)
Comodo Firewall (combined anti-virus)
http://personalfirewall.comodo.com/download_firewall.html
Kerio
http://www.sunbeltsoftware.com/home-home-office/sunbelt-personal-firewall/
Online Armor
http://www.tallemu.com/free-firewall-protection-software.html
Outpost
http://www.agnitum.com/products/outpostfree/index.php
ZoneAlarm
http://www.zonealarm.com/security/en-us/zonealarm-pc-security-free-firewall.htm
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Online Scans
(Make sure the one that you choose is compatible with your browser and operating system.)
BitDefender
http://www.bitdefender.com/scan/licence.php
Eset nod32 Online Scanner
http://www.eset.com/onlinescan/
Ewido Anti-Spyware
http://www.ewido.net/en/onlinescan/
F-Secure Online Scanner
http://support.f-secure.com/enu/home/ols.shtml
has rootkit detection capabilities.
Housecall (using IE with Active-X)
http://housecall.trendmicro.com/housecall/start_corp.asp
Housecall (all browsers using java)
http://uk.trendmicro-europe.com/enterprise/products/housecall_launch.php
Kaspersky
http://www.kaspersky.com/kos/english/languages/english/check.html?n=1250646146031
Panda ActiveScan
http://www.pandasoftware.com/
WindowSecurity trojan scan
http://www.windowsecurity.com/trojanscan/