With regard to PC security, even browsing among expert internet sites, it is not at all easy to be able to clarify and find a more or less shared line of protection from viruses and malware. I have found, among the types of pc users, some very cautious who keep many security tools installed on the pc including firewalls, antivirus, antimalware and antispyware, while, on the contrary, other people who consider a little superfluous, do not want weigh down your pc and keep the lightest and free antivirus out there without worrying too much about any threats.
The problem is that everything you download on the internet can be dangerous.
Even a known program, if downloaded from the wrong site, can have a virus inside that infects your computer causing many problems.
Since even the best antivirus can fail, in the case of downloading any file from uncertain sources, from unknown sites, with strange names or even attachments received via email of dubious origin, to verify that it is really clean and does not have a virus inside, you can use one of these sites to make a definitive and indisputable check, with 30 antiviruses together .
1) Virustotal is one of the most used sites, free and free, it does not require registration and allows you to scan individual files to check on 32 updated antivirus engines, if you are hiding a virus, a malware, a trojan and so on.
After the scan, a report will be available with all the antivirus scans and information on any malware; the report can be shared on the internet thanks to the permalink that is generated.
Virus Total provides a tool for Windows and Mac PC called Virus Total Uploader that allows, once a file is downloaded and before executing or opening it, to send it (right-click) immediately to the online scan to find out if it is safe or not.
With Virustotal you can also download a Firefox plugin to check the files before downloading them .
VTZilla, by VirusTotal is used to scan files with VirusTotal, without downloading them to the computer .
It is also possible to scan the web pages of websites, always using the most popular antivirus on the market.
Once the VTZilla addon is installed, a toolbar appears on Firefox that has a search field to see if there are already reports related to a program and a key to scan the site you are visiting.
The most useful function, however, is the one that allows you to check every link on the internet, especially those that carry the download of a program or file.
By pressing the right mouse button on a link, you can then start the link scannner with VirusTotal .
Even if a downloaded file does no harm and does not infect your computer if it is not run, this preventive check can avoid risk and waste of time.
For Google Chrome instead the extension to download and install is VT Chromizer which brings up a new menu item when you right click on a link to download a file.
It then becomes possible to immediately send the file to Virus Total to find out if it is safe or not.
2) Metadefender allows you to perform complete scans of files with 44 antivirus engines together.
Files up to 140MB can be uploaded and there is a check on the file hash.
It is also possible to scan an IP address using the service.
4) VirSCAN allows you to upload files, provided they do not exceed 10 MB per file.
Threat control is supported by 36 online antivirus engines, with a final table on the results of the analysis.
It also scans viruses in compressed archive files such as ZIP and RAR, if they contain less than 10 files inside.
5) Jotti Virus Scan is a service that does not require registration and can check online the files you want.
After uploading a file, Virus Scan starts the analysis using the database of 20 antivirus, among the best and most popular: A-Squared, AntiVir, ArcaVir, Avast, AVG Antivirus, BitDefender, ClamAV, CPsecure 'Dr.Web, F -Prot Antivirus, F-Secure Anti-Virus, Fortinet, Ikarus, Kaspersky Anti-Virus, NOD32, Norman Virus Control, Panda Antivirus, Sophos Antivirus, VirusBuster, VBA32.
6) IObit Cloud is yet another online service for scanning files.
IOBit uses the latest cloud computing technology and heuristic analysis to analyze the behavior of spyware, adware, trojans, keyloggers, bots, worms, hijackers and other security risks in a fully automatic way.
7) Online Link Scan is used to verify online that a web page or program or file does not contain viruses or malware, check it for fear that it contains viruses and / or other malware "> online scan and global computer control, free of charge, that they work as if you were scanning with an antivirus installed on your pc.
