Viruses are undesirable programs that damage computer files and processes and are potentially a massive breach of privacy.
I will talk about four prevalent viruses and get rid of them if you have a contaminated device.
Generally speaking, it is good practice not to fall victim to viruses altogether by avoiding downloading files from unregistered/unknown developers through the internet. I make it a point to prevent downloading torrent files and never access http websites. Also, keep an eye out for the ‘s’ after ‘HTTP; it could make a world of difference. Keeping the above in mind would reduce the chances of you being a victim of a virus.
The resident virus sets up shop in the system’s memory (RAM) and slows your laptop technology down significantly. If the host application is completely shut down, the virus will still run in the background. Sometimes the resident virus does massive damage quickly and is easy to notice. Other times, the virus spreads widely and may go unnoticed for a significant duration of time.
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The resident virus is tricky to get rid of. Due to how deep it is embedded into the system, finding an antivirus that would remove this is tough. For more persistent versions of this, it may be necessary to call in experts to remove the virus before resorting to resetting the device as a guaranteed remedy.
One of the most dangerous and harmful viruses for your computer is a multipartite virus. This virus infects executable files and may even infect the RAM, similar to a resident virus. The virus works to attack both components simultaneously, making it one to watch out for.
An antivirus is your knight in shining armor. Because the virus attacks your files and memory, it is tough to trace the virus manually and is best done through an antivirus. In addition, to avoid spreading the virus to multiple devices, all files that have been transferred from the infected machine to others via USB should be deleted.
Browser hijackers change the user’s settings without their permission and expose them to unwanted websites, advertisements, and sometimes even pop-ups. Browser hijackers adversely come in the form of free software online and sometimes even unverified browser extensions.
Reinstallation of the infected browser(s) may allow the browser hijacker to not latch on to the pre-installed version. It is further advised to uninstall the files that brought the hijackers along with them. In some more advanced versions of the virus, the harms of the virus may be seen even if all browsers are closed and initiate pop-ups all over the screen. In such a situation, it is advisable to reinstall the operating system.
As the name might suggest, the overwrite virus edits existing files and overwrites them with absolutely random and useless data. This is a virus that you do not want on your work computer as in its worst form, and it is also capable of completely deleting files with little to no hope of recovery.
The overwrite virus is treatable by any standard antivirus and would not require a hard reset of your device, no matter the severity of the situation. However, it would be advisable to delete files that introduced the virus in the system as it is malware.
The major takeaway from this is that antiviruses do not discriminate and are a worthwhile investment for the safety of your device and privacy.