سؤال:-عملية الكشف عن ملفات الفايروس وworm المشفرة

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أخي كانت لدي تجربة في مجال تصميم مضادات الفيروسات.. قد تحتاج بالفعل إلى داتا بيس تحتوي على نشاط كل فيروس (او اغلبها) ...لكي تضمن تصليح ألأعطال التي قد يسببها الفيروس إذا نفذ من جدار الحماية الخاص بالمضاد..

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اقتباس

A computer virus is simply a set of computer instructions or computer code that was written by some unscrupulous person. This code is attached to some part of the normal computer operating system or computer program. The instructions in this code tell the computer to perform some task. This task is often a destructive one, such as deleting important information or crashing the hard disk. However, there are other benign viruses that may only be a slight aggravation. Some viruses have been known to do nothing more than to put a large happy face on your computer screen.

Anti-virus software has the ability to detect viruses and other forms of malicious software by opening executable programs and documents and looking for specific command sequences used by known viruses. These command sequences are called "signatures". Additionally, the better anti-virus programs as a technique called "heuristics" which improve its ability to detect unknown viruses by looking for command sequences that may not match a specific signature, but are somewhat suspicious.

Anti Viruses use these kind of signatures or otherwise known as virus fingerprints to detect the viruses. Anti Viruses looks for these signatures (a set of command a virus program is using) to detect and find viruses on computers.

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