Which of the following virus overtake computer system, when it boots and destroy information?

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Q. Which of the following virus overtake computer system, when it boots and destroy information?

(A) System infectors

(B) Trojan

(C) Stealth virus

(D) Boot infectors

Subject: Computer Exam: BANK CLERK BANK PO POLICE CONSTABLE POLICE SI/ASI RAILWAY SSC SSC CGL TET UPSC

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• Correct Answer - C

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| Which of the following virus overtake computer system, when it boots and destroy information  ?

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Right Answer is: B

SOLUTION

The correct answer is option 2 i.e. Stealth Virus.

• A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another.
• A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code.
• It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though.
• A stealth virus is a hidden computer virus that attacks operating system processes and averts typical antivirus or anti-malware scans.
• Stealth viruses hide in files, partitions, and boot sectors and are adept at deliberately avoiding detection.
• The stealth virus encrypts data via simple encryption and uses a different encryption key for each infected file.
• In general, the best countermeasure is to use strong antivirus software designed to detect viruses and their hidden counterparts.

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