Internet Backdoor Virus
This is a category of viruses that provides a backdoor access, opens up system ports that allow for remote access by unauthorized persons over the LAN or the web. This is made possible by exploiting undocumented processes in the system code. Once these avenues have been enabled, the malicious person can steal your sensitive data i.e. credit card information, bank account details and social security numbers. This is the first step to identity theft.
- Types of backdoor viruses
- Protecting the PC against Backdoor Viruses
- Removing the Viruses
Types of backdoor viruses
Password Sending Trojans: These types of viruses are to obtain all the contents of the cache either in the desktop or laptop and copies all the saved passwords in the cache and send them to a different location or user. These activities can be performed without the knowledge of the users.
Key Loggers: whenever a PC user, types a key stroke, these Trojans keep a log of all and sends the logged files to the hacker. It searches for passwords or other sensitive data in the log files. There are two main kinds i.e. online and offline recording.
Internet Relay Chat Backdoor: Also known as the IRC backdoor, it is controlled and managed through particular Internet Relay Chat (IRC) channels.
Protecting the PC against Backdoor Viruses
Several security measures can be put in place to ensure that these viruses are watched out for. Having an effective antivirus is the first step. This is a program that scans and removes the presence of any virus that might be present in the system. In addition the user needs to constantly update his or her antivirus for latest updates files that give information on the latest viruses. To help the antivirus program, there is a category of programs called antispyware. These help in working in real time to catch and eliminate any spyware or malware that may have slipped through the antivirus. Firewalls are an additional tool that one can add to their system to monitor incoming and outgoing Internet traffic, this offers additional features that miss from the windows firewall as detecting outgoing critical user files and data. It has the capability of URL filtering that can specify the category of websites that are not to be accessed and detect files attached to compressed files during downloads.
Removing the Viruses
The user needs to run the antivirus program every now and again. In addition, he can set the auto schedule where by the system will be scanned for malwares and viruses at a particular time. Removal tool programs can also be downloaded for free from the anti-virus website if the user suspects that there is a category of viruses that have not been removed.
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