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  9. Q3489

RRB Junior Engineer / DMS / CMA 2019 · Question 3489 of 3719

Which of the following is NOT a type of virus?

  1. APolymorphic
  2. BMcAfeeCorrect
  3. CMultipartite
  4. DBoot sector

Answer: B. McAfee

Explanation

The correct answer isMcAfee. McAfee is a Computer security software or Anti-virus. Key Points McAfee is a Virus Removal Service software that detects and eliminates viruses like Trojans, spyware, and other malware from the computer. It also identifies any malicious applications or malware and removes them from the computer. The CEO of this company is Peter A. Leav. Additional Information Polymorphic It is a type of malware that constantly changes its identifiable features to evade detection. It changes file names and types of encryption keys to make the malware unrecognizable to many detection techniques. It includes viruses, worms, bots, trojans, or keyloggers. Examples of polymorphic malware are Storm Worm Email, CryptoWall Ransomware. Multipartite This virus can attack both the boot sector and executable files of an infected computer. When the virus attaches to the boot sector, it will in turn affect the system files. When the virus attaches to the files, it will, in turn, infect the boot sector. Boot sector It infects the boot sector of floppy disks or the Master Boot Record (MBR) of hard disks. Bad effect on the partition table of a Hard disk where startup files are found. Important Points There are many anti-virus software like Norton, Avira, Avast, Kaspersky, Bitdefender, AVG, etc.

Source: RRB JE 2019 (CBT 2) (ME) Previous Year Paper (31 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary

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