Bank Exam » Bank Exam Study Materials » Computer Knowledge » Notes on Resident Virus

Notes on Resident Virus

The resident virus saves itself in the memory of the computer, and as a result, the originating program no longer works. This article encompasses a brief description of the Resident Virus.

Memory-Resident Malware is a virus that lingers in a computer hard drive after the ‘host’ software or SoftwareSoftware has closed (been terminated). Non-Memory-Resistant Malware is engaged whenever the SoftwareSoftware or tool is opened. Memory-resident Malware loads its propagation module into storage rather than running it to trick additional files, activated whenever system software loads or accomplishes certain activities. If a resident virus enters, it infects other files and programs. This Malware is one of the most harmful because it can penetrate any file examined by antivirus tools and attach itself to antivirus software. There are different resident viruses: fast and slow infectors, self-explanatory. 

Overview

Fast infectors do serious harm fast but are easily identified due to their adverse effects, whereas slow infectors can propagate more broadly since they can go undiscovered for long durations. A direct action virus or Malware needs some file or program installed by the user to corrupt the system. With this virus, the originating program no longer works. At the same time, a resident virus is viscous due to its capability to install itself on a hard drive. Whenever the system software attempts to enter the specified file or disc sector, the viral code retrieves the request and sends program flow to the multiplication module, attacking the targets. The virus is used to save itself in the memory of the computer. 

A resident virus can transmit its infection through a variety of means. The TSR (Terminate-Stay-Resident) alarm task is referenced among the most underappreciated. However, this is the easiest method for accessing a pc; it is also the most immediately recognised by a pathogen scanner. Modulation of MBCs is a preferable strategy (memory control blocks). Next, a virus must attach to certain interrupts to operate the resident code. If a virus is written to function each time a task is completed, it must be coupled to the interrupt procedures necessary for installing and activating that SoftwareSoftware.

Symptoms:

  • Your system may indeed be infected with Malware if you see some of the following symptoms: Operating system is slow (taking a long time to open up or open softwares)
  • Closing or resuming problems
  • Data went missing
  • System malfunctions and error warnings constantly
  • Pop-up panels that emerge from nowhere
  • Programs (toolbars, etc.) that show despite you downloading and installing them
  • Overstressed disk drive (when you’re not doing anything, the fans make noises and look spinning and working hard)
  • Emails that are being sent independently from your accounts
  • Directs people or slowness within browsers
  • It should install SoftwareSoftware or a firewall that isn’t functioning correctly.

Protection: 

We can protect our system from resident viruses. A virus saves itself in the memory of the computer, and the originating program no longer works. The best solution to dealing with Malware is to prevent it from attacking your desktop in the first place by downloading an antivirus solution. This virus, if entered, infects other files and programs. It’s essential to keep this SoftwareSoftware updated, your Windows version, and your computer’s security settings. Backup data on a regular schedule (to the cloud or a secure external hard disk) when it gets corrupted, extorted, or erased. Use a protection method to identify your device and identify its sensitivity. When surfing the web, avoid clicking on any suspicious sources or pop-ups. Another great basic rule is to never read an email or attachments from somebody who you don’t trust completely. When implementing the system, tread cautiously.

Removing the virus:

When the virus saves itself in the computer’s memory, one has to remove it. Since the Malware has saved itself in the computer’s memory, wiping maybe it’d be challenging. And it infects other files and programs. It may well be customised to hinder antivirus programs from performing. Unless you’re lucky, an antivirus manufacturer might have had a distinctive malware removal solution that you may upload on an Sd card and operate to extract or delete the parasite from ram. Unless you’re unlucky, you may have to wipe the desktop and rescue whatever data you can get from restoring to remove the pathogen. In the worst-case condition, a professional will be essential to wipe the infection without undergoing a system wipe or drive reformatting. That professional could also look for flexion and extension in your connection. In this virus, the originating program no longer works.

Conclusion:

The resident virus is a virus that lingers on a computer hard drive. It is a very harmful virus. And also, data went missing in this virus. And the virus saves itself in the memory of the computer. It is performed by installing a computer virus into the computer hard drive. Fast infectors & slow infectors are indeed the two main types of resident viruses. Fast injectors are vicious but easy to identify, and slow infectors are more vicious since they are harder to detect. They corrupt the antivirus also, so it can not prevent the system. They restrict the system from accessing certain files by infecting them. This Malware also abandons the operating program.

faq

Frequently asked questions

Get answers to the most common queries related to the BANK Examination Preparation.

What is resident virus?

The resident virus is a virus that hides. And it saves itself in the memory of the computer...Read full

Mention the symptoms of the resident virus?

A regular pop-up of windows.  ...Read full

How can you get a resident virus on your system?

The resident virus is a Memory-Resident Virus and saves itself in the memory of a computer. ...Read full

Who created the resident virus?

The resident virus was created in 1986 by Amjad Farooq Alvi and Basit Farooq Alvi in Lahore, Pakistan. It is a very ...Read full