Free Tools

Below you can find list of free security tools.

Most recent list can be found in this thread.

Online Malware Scanners

• ActiveScan
• Emsisoft Web Malware Scan
• SAS OnlineScan
• MS SafetyScan

Scanners & Automatic Disinfection Tools

• Malwarebytes Anti-Malware Free
• SUPERAntispyware Free
• OldTimer's OTL

Manual Disinfection Tools

• TaskManager.xls to kill malware which does not allow anything to execute
• Common Error Fixer by Buddee to restore typical OS changes by malware
• Panda Beagle to find and extract suspicious OS changes and new malware strains
• Panda SafeCD to clean an infected PC with Panda by booting from CD/UDB
• Sardu BootCD to clean an infected PC with Panda and others by booting from CD/UDB

Anti-Rootkits

IMPORTANT Please do not use these ARs unless instructed to do so by an expert!

• GMER
• Rootkit Unhooker
• RootRepeal
• MBR: Stealth MBR Rootkit Detector
• MBR: MBRCheck
• MBR: Bootkit Remover + BootkitRemover_Runbox

System Cleanup

• CCleaner + CCEnhancer
• ATF-Cleaner File Cleaner
• TFC Temp File Cleaner
• FlushFlash

System Hardening

• Panda USB Vaccine
• SpywareBlaster Free
• StartupMonitor

Browser Hardening

• Panda Security Toolbar URL Filtering
• Web of Trust
• Firefox: NoScript, Flashblock, Adblock Plus
• Chrome: NotScripts, FlashBlock, Adblock Plus
• IE: Simple Adblock

Online Sandboxes

• Anubis
• ThreatExpert
• Wepawet
• Xandora

Online File Scanners

• VirusTotal
• Jotti

Safe DNS Services

• DynDNS
• GoogleDNS
• OpenDNS