It is a software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system.“Malware” is short for “malicious software”. It is computer programs or codes designed to infiltrate, damage or disable the computer, networks without the user’s consent.it can steal, encrypt, or delete your data. It can alter or hijack core computer functions, and spy on your computer activity without your knowledge or permission. “Malware” is an umbrella term covering all types of threats to your computer safety such as viruses, spyware, worms, trojans, rootkits and so on.
What is Backdoor malware
A backdoor is a malicious computer program used to provide the attacker with unauthorized remote access to the computer by exploiting security vulnerabilities. It bypasses the usual authentication used to access a system. Backdoors are similar to Trojans or worms. They open a “backdoor” onto a computer, providing a network connection for hackers or other Malware to enter in. They open doors for malicious activities.
A backdoor malware is one of the most dangerous parasite types, as it allows a cybercriminal to execute any possible actions on a compromised computer. The attacker can use a backdoor to spy on a user, disrupt files, install additional malicious software or dangerous scripts, control the entire PC system and attack other hosts. It has additional destructive capabilities, such as keystroke logging, screenshot capture, file infection, and encryption.
This type of malware needs users’ intervention. These parasites type are manually installed in a bundle with other software in the following ways
1.Opening of unknown e-mail messages or using file-sharing programs
2. They are installed by other malware like viruses, trojans or even spyware.
3. Some legitimate programs may have undocumented remote access features.
4. A computer backdoor malware is infected by exploiting certain software vulnerabilities.
Effect of Backdoor malware on the computer system
1. A backdoor allows the attacker to work with an infected computer as with its own PC and use it for various malicious purposes or even criminal activities
2. A backdoor can obtain and disclose sensitive information like user’s passwords, login names, credit card numbers, exact bank account details, valuable personal documents, and web browsing habits, etc.
3. A backdoor can format the hard disk and all the files on them which would be unrecoverably erased.
4. A backdoor can control computer hardware devices, modify related settings, shutdown or restart a computer at any time.
5. A backdoor can records keystrokes and captures screenshots
6. A backdoor can Distributes infected files to remote computers with certain security vulnerabilities
7. A backdoor can Installs hidden FTP server that can be used by malicious persons for various illegal purposes.
How to Remove backdoor from the system
Backdoor malware can be very difficult to detect, and detection methods vary considerably depending on the computer’s operating system. Backdoor is planted manually but can’t be removed manually. Many security programs are offered for backdoors removal, although some viruses might require scans using a few different anti-malware tools.