Antivirus Online Scanners:

• Trend Micro – HouseCall (IE & FF – removes infected files)
• BitDefender (IE – removes infected files)
• F-Secure (IE & FF – removes infected files, kinda not as good as Trend Micro)
• Kaspersky (IE – lists infected files)
• Panda (IE – removes infected files only if you’re a registered user; ActiveScan Options)
• Norton Security Scan (IE & FF – )
• VirusTotal (IE & FF – scans only a file)

Free Antivirus Software:

• Grisoft Antivirus – AVG
• Avira Antivirus – AntiVir
• ClamAV

Removal Tools:

• by Symantec
• by BitDefender
• by Kaspersky
• by McAfee
• by F-Secure
• by Virus All

Firewall:

• Zone Alarm

Ad-aware & Spyware

• Lavasoft Ad-aware
• SpyBot Search and Destroy

Utilities

• Process Explorer
• Unlocker
• HijackThis