PC Tweaking

Free Security Software

Free Antivirus and Antispyware (real time)
Recommended by PCTweaking What is Real Time What is Free?
AVAST- Free Antivirus 5.0 Based on multiple protective layers. Real time rootkit protection. New Interface (gone is the music box look).
AVG - Free Edition 2011. One of the most downloaded security software. Basic security protection. Easy to use. But has failed recent tests - Remove-malware.com You be the judge.
Avira - New Version 10.0 New redesigned interface and includes GenericRepair feature--automatic repair of your PC and ExpressInstallation feature
Comodo - Free Internet Security 4.0, includes optional free firewall - very sensitive HIPS control. But a complete package for free. With Sandbox technology.
Cyber Defender -2.0 All Free Internet Security Suite. Has ads displayed.
MicroSoft Security Essentials - New Free Microsoft Security Essentials. Uses low resources, will not slow down your computer. Scored high in testing.
Panda Clound Antivirus - 1.0 - Uses new Cloud Technology (moves scanning away from computer to a "cloud"). Lightweight and uses low resources.
Spybot - Search & Destroy has been in the antispyware game for a long time offering features we've come to expect in the best apps in the category, but bugs and false positives make it difficult to recommend (CNET).
Spyware Terminator - Fast spyware scanning, 100% real-time protection, HIPS protection, Antivirus protection, Multilanguage Support.
Antivirus Supplements
What is a supplement to your current Antivirus.
Immunet - Gives you a fast, extra layer of protection that won't slow down your PC. Compatible with your existing antivirus.
ThreatFire - ThreatFire's ActiveDefense technology does, and has proven to provide up to 243% more protection when combined with traditional AntiVirus products.
Free Malware Scanners (non real time)
What is Non Real Time?
Note: the paid versions of these products offer real time protection and automatic updates
A Squared Free - By Emsisoft: Contains 2 scanners (engines) in one. Removes malware from your computer.
Malwarebytes Anti-Malware -is an anti-malware application that can thoroughly remove even the most advanced malware.
Super Antispyware Free Edition - Multi-Dimensional Scanning and Process Interrogation Technology will detect spyware and remove over 1,000,000 threats. I use this one to clean out infected computers.
Bit Defender Free Edition - On Demand scanning ensure detection and removal of malware from your computer.
Micro Trend Housecall -Free Virus/spyware scanner. Can quickly identify and fix a wide range of threats.
Norton Security Scan - It will automatically scan your computer every week, replacing the need for you to manually scan using Symantec Security Check. It’s quick, easy, and best of all, it’s free!
Combo Fix - Rarst Software: Powerful malware remover, last resort application used by computer technicians. Not for the novice.
Dr. Web Cure It - Another powerful scanner based on the Dr. Web engine. Not for the novice.
Process Terminator
What is a Process Terminator?
RKill - RKill is a program developed at BleepingComputer.com that was originally designed for the use in our malware removal guides. It was created so that we could have an easy to use tool that kills known processes that stop the use of our normal anti-malware applications. Simple as that. Nothing fancy. Just kill known malware processes so that anti-malware programs can do their job. Not for the novice.
Free Rootkit Scanners
What is a Root Kit?
Sophos Anti-Rootkit- Using Sophos Anti-Rootkit is easy. Whether you use its simple graphical user interface or run it from the command line, you can easily detect and remove any rootkits on your computer.
Panda Anti-Rootkit - a free program that uses latest generation technology to detect and remove rootkits.
RootQuest - Comsentry RootQuest is a good solution to detection and remove all rootkit that currently running as background services on computer system.
GMER - 1.0.14.14536 is an application that detects and removes rootkits. Not for the novice user.
Free Firewall's
What is a Firewall?
How about the Firewall that comes with Windows?
OnLine Armor Free - Our free version provides great security for those on a tight budget.
Comodo Internet Security - Firewall w/ optional antivirus.
Ashampoo Firewall Free - Small and efficient.
PC Tools Firewall Plus Free Edition - PC Tools Firewall Plus is advanced technology designed specially for people, not experts.
Zone Alarm Free Firewall 2010 - has gotten quieter and more effective, and should be considered an excellent tool for replacing the adequate default Windows firewall.
Agnitum Outpost Firewall Free - gives you solid firewall protection with standard packet and application filtering to safeguard your data against unauthorized third parties.
Sunbelt Personal Firewall - will work in full upgrade mode for 30 days, than switch to limited free mode.
Note: Don't forget to disable the Windows Firewall if you are using a third party firewall (Win 7 will disable automatically).
Free Email Antispam
What is Spam?
Mailwasher 6.5.2 Free Spam Filter. The easiest way to check and manage your e-mails before you download them.
Spamihilator - examines every incoming E-Mail. Useless spam mails (Junk) will be filtered out.
SpamBayes detects spam precisely and efficiently.