Almost all reputed antivirus company now have free online scanning service. You can get your computer completely scanned online for any possible virus, spyware, adware, trojans etc. by these sites online.
Advantages of online scanning are:
- Online scanner database is very updated.
- You can scan by different provider.
- Its free!!
But please note, its little slow compared to scanning by installed security software.
Here is list of top nine free online scanner.
- Kaspersky Virus Scanner
- Bit Defender Online Scanner
- Norton Security Check
- McAfee Free Scan
- Eset NOD32 Online Scan
- Avast Online Scanner
- Panda Security Active Scan
- Trend Micro Housecall
- Computer Associates Online Scan