How To Scan Files & Url Without Any Antivirus Installed

Step 1. Go to from your favourite browser

Step 2. If you wanna scan suspected file for virus upload that file on Virustotal.(Max size is 128MB)

Step 3. In Virustotal, you scan particular url or whole website for malicious infected virus and trojans.
Step 4. Scan Files and Url from Online Scanner

You can scan whatever you want, Like if you are blogger you can scan you WordPress themes for malicious shells and trojans. Largely virus comes from unofficial websites and pirated websites. So I recommend you never download unofficial software or files from pirated websites.