Online Anti-virus/Anti-malware scanning tools (Free)

Here is a list of free scanning options available online from reputable providers.

Some of the applications provide both scanning and removal while others provide only scanning and reporting (alerting you to the presence of viruses or malware).

Panda ActiveScan  (Scan and Removal)

Trend Micro HouseCall (Scan and Removal) 

F-Secure Online Scanner (Scan and Removal) 

McAfee FreeScan (Scan, No Removal)  

Symantec Security Check Virus Detection (Scan, No Removal)