Sysinternals Process Explorer has been one of the most indispensable utility for diagnosing misbehaving applications and fixing malware's. Process Explorer shows you all the information about any application running on windows including which handles and DLLs processes have opened or loaded, network, security, performance and a lot more. The utility has now get integration for another indispensable tool for researching malware's, the multi-engine anti-virus scanning utility VirusTotal. The integration also shows a rare sight of co-operation between two rivals Microsoft (Process Explorer) and Google (VirusTotal).

There are quite a few free services offering free online multi-engine anti-virus scanning but VirusTotal would be the only service offering various methods to use their service easily. Few days ago we reviewed VTZilla Firefox addon from VirusTotal which provides power of multi-engine malware scanning right from user web-browser, VirusTotal Uploader is yet another handy extension to this service offering easy uploading functionality for suspicious files from your computer.

Multi-engine anti-virus scanners are a great help when dealing with suspicious files as you are able to leverage the malware detection capabilities of multiple antivirus engines with most up-to-date definitions from a single interface. VirusTotal has been one of the most well-known such free service offering scanning of suspicious files and URLs with 42 anti-virus engines helping users reveal viruses, worms, trojans and other kinds of malicious content.

One of the most needed feature to make efficient use of multi-av scanning services is an browser helper utility which would enable users to scan URL's and files right from their web-browsers before visiting the suspicious link, thankfully VirusTotal team has realized this and a Firefox web-browser addon VTZilla is now available enabling users to right-click any suspicious link and launch a VirusTotal URL Scan and even pre-scan a file before downloading from the default "Firefox Download Save" dialog-box.

There are many services offering free online virus scanning for suspicious files using multiple antivirus engines, these services let you upload suspicious files which are checked using multiple anti-virus softwares on the servers with most up-to-date virus signatures.

There are three major websites offering this free service, VirusTotal.Com offers you to send suspicious files using email and has a handy explorer extension to launch online scanner.

Read More for the scanner links..