Online Antivirus scanners

http://www.av-test.org/links 

Online Virus Scan for Single File

 (http://lhsp.s206.xrea.com/misc/virusscan.en.html)


http://www.techsupportalert.com/content/probably-best-free-security-list-world.htm

Online-scanners

File scanning with several scanners: Virustotal (Uploader) Novirusthanks (Uploader) Jotti Virscan Filterbit Viruschief Scanning of several zipped files: Avira Online-scanners: Kaspersky  F-Secure BitDefender BitDefender qscan Eset Panda Software   a-squared OneCareSuperantispyware Mcafee  CA Comodo