My dear brother, how will you know that the file that was sent to you via e-mail or that you downloaded from an unknown party is safe and not infected with any viruses or that the latter does not contain a merger?? ... Actually, you check the file manually or the protection program does that, but the protection program may protect only 40% of your device, and most versions of viruses cannot be caught. I will not tell you that your antivirus is not working well, but that its databases are not updated or that the supervisors of its rules can do the required work. Most antiviruses work on md5 or on sha1 and on SHA256. There are several different encryption formats. Almost all of them depend on sites or servers such as virusshare to identify the values of viruses. For more knowledge of the matter, visit this article:
Of course you will tell me are there alternatives or what is the solution???
1- There are so-called examination sites and they are updated around the clock, and we will discuss in this talk about seven of the most famous examination sites
ViruStotal is one of the most famous sites on the Internet that provides online testing services and also has its own application for uploading on its site. It also provides developers with ready-made sources in all languages for their applications for uploading. It also provides a huge api for developers.
Number of antivirus engine: 46
Maximum file upload limit: 32mb
Upload methods: via the web + ssl via email via Windows via desktop applications from the Android system .. etc.
Lifting to databases: Yes
Sharing healthy and infected files with other sites for protection: Yes
default scan in sha256 format
Link Check: Yes
Upload time for 400 kB is 55 seconds
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2- The examination site
MetaScan is a site that is no less important than the Total Virus site. Its name has been changed to Metadefender recently. It can upload
Up to 50 megabytes, and if your site is sound or your program is sound, a special security hash is created based on it for your publication of your programs or sites as in the picture
Number of antivirus engine: 42
Maximum file upload limit: 50mb
Upload methods: via web + ssl
Lifting to databases: Yes
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1/SHA256
Link Check: Yes
Upload time for 400 kb is 75 seconds
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Verscan contains 30 scanning engines. What distinguishes this site is that it can scan about 20 zip/rar files, provided that they do not exceed 20 megabytes. At the end of the scan, it gives you a code to put the result in a forum, email, or even a link.
Number of antivirus engine: 30
Maximum file upload limit: 20 mb
Uploading methods: via the web
Lifting to databases: Yes
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1
Check links: No
Upload time for 400 kB is 270 seconds
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4 - jotti
It is a very fast scanning site that most of the time depends on the evidence of 20 sites for protection, sometimes the files are voted on whether they are infected or not, this is a beautiful way to reach the maximum possible protection
Number of antivirus engine: 20
Maximum file upload limit: 25 mb
Uploading methods: via the web
Lifting to databases: Yes
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1
Check links: No
Upload time to 400 kB is 55 seconds
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It is an Italian site that prevents sharing with other sites and monopolizes its own Anti-Pharos formulas, although it relies on several databases for other protection sites in order to build its own databases
Number of antivirus engine: 14
Maximum file upload limit: Unknown
Uploading methods: via the web
Raising to Databases: No
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1
Check links: No
Upload time for 400 kB is 120 seconds
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chk4me is a special site for checking files. This site is designed to test the mail on it and make sure that it is bypassed. The most important protection without sending the values or sharing them with the rest of the security sites. This site is visited by many miners to verify their encryption as long as this site does not publish any information about their programs
Number of antivirus engine: 26
Maximum file upload limit: 3MB for unregistered | And 5 MB for the registrar, the registration is not free
Uploading methods: via the web
Raising to Databases: No
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1
Check links: No
Upload time for 400 kB is 42 seconds
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7 - Serenity Scanner
Currently the site is closed and the names have been changed to known people or members only. It is also a special examination site that works 24 hours only for new members and then register with money
A picture of the site before changing the domains and becoming private
Number of antivirus engine: 35
Maximum file upload limit: Unknown
Uploading methods: via the web
Raising to Databases: No
Sharing healthy and infected files with other sites for protection: Yes
Default scan in MD5/SHA1
Check links: No
Upload time for 400 kB is 70 seconds
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