technese.com

Free online service that analyzes files enabling the identification of viruses, worms, trojans and other kinds of malicious content detected by antivirus engines and website scanners

http://www.virscan.org

http://virusscan.jotti.org

http://vscan.novirusthanks.org

http://www.viruschief.com

http://www.metascan-online.com

https://www.virustotal.com

http://www.garyshood.com/virus

http://online.drweb.com/

http://www.threatexpert.com/filescan.aspx

http://www.clamwin.com/content/view/89/85

Free service that analyzes and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.

http://ScanURLs.com
Real-time website malware scanner.

http://URLVoid.com
Analyze domains and subdomains with multiple blacklists and web reputation services.

http://IPVoid.com
Analyze IP addresses with multiple blacklists and IP reputation services.

http://Vscan.NoVirusThanks.org
Scan files and URLs with multiple Antivirus software.

http://HTMLSniffer.com
View the entire HTML source code without visiting the URL.

http://JSGrab.com
Capture all JS and VBScript scripts from a web page.

http://ThreatLog.com
Database of malicious URLs logged by honeypots.

http://URLVir.com
Automatically monitor changes of malicious URLs.

Free Anti-Virus Online Scanner for Workstations
http://www.bitdefender.com/scanner/online/free.html

http://housecall.trendmicro.com
http://www.pandasecurity.com/activescan/index
http://www.f-secure.com/en/web/labs_global/removal-tools/-/carousel/view/143
http://www.pandasecurity.com/homeusers/solutions/activescan
http://www.eset.com/us/online-scanner
http://www.emsisoft.com/en/software/ax/
http://personalfirewall.comodo.com/scan/avscanner.html
http://security.symantec.com/sscv6/WelcomePage.asp

Free Malware Scanner

http://malwarebytes.org