Computers are venerable to viruses that impede their functioning. Maintaining a genuine and updated anti-virus software helps to keep a computer safe from the attacks of a big percentage of the existing viruses. However, there are viruses that have been observed to escape identification and removal by anti-virus software rendering computers venerable. Answering the question, what is a rootkit virus and how do I remove it may be the solution to this.

Most viruses can be easily detected hence, they are easy to remove once detected. Viruses often appear in computers and they spot names that are different from standard programs that have been installed. When a virus attacks a file and renames it, the new file changes the date of creation and the size of the file. This makes it easy to notice and correct the anomaly using an antivirus software. Rootkits are invisible therefore, extremely tricky to deal with.

Rootkit viruses are malware that attack computer programs and computer operating systems. A rootkit consists of a collection of programs that break the administrator’s barriers and expose the computer system to intrusions. This creates a backdoor through which foreign programs such as spyware and other types of viruses can gain access into the computer. Sometimes, once the rootkit is installed, it starts automatic downloads of other harmful programs into the computer system and any other computer in the network when the computer gets connected online.

Rootkits conceal the presence and operations of other viruses in the system hiding them from access by antivirus software. This tool hides all the processes and archives that are maliciously running in your system through the open intruder gates. These tools can be passed across networks like other types of viruses. They are mostly distributed through ads, free software downloads and email attachments.

Rootkits can be classified into various categories There are persistent rootkits which consist of a malware that activates every time the system boots or the user logs in. They have a consistent code that repeats itself each time the system is run. Memory based rootkits are do not contain a persistent code and are easily cleared through a reboot.

User-mode rootkits intercept all programs that assist a system to provide a list of all running programs on command. It may also change the listing details of a rogue program to evade detection. Kernel mode rootkits go beyond intercepting the listing programs to manipulating the kernel mode data structures to hide the malware completely. Management programs like Windows Task manager which rely on kernel data will therefore not display the hidden program.

Different tools are used to remove rootkits through different ways. Some tools are installed to intercept the backdoor created by the rootkill. It seizes all the new spyware and detects all other foreign files already in the computer and marks them for removal. Other tools are used to intercepts all system programs running a computer and display all the kernel services responsible for the programs and their sources.

Protection software can also be installed to constantly monitor all active programs and block any abnormal behaviors. Much more information on what is a rootkit virus and how do I remove it is available in various sites online.

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