Some malicious sites mainly affect windows OS or IE. It is harder to find. It is invisible coming through the above streams. The malicious sites spread the malicious code by auto downloaded by itself. Some do not even imagine that their own site was infected. It is common for all sites in the web. It is mainly through integrated softwares like media players, web browsers, tool bars, etc.
Most of the malicious codes spread not only by downloading. It spreads mostly by even opening the websites. These malicious codes may be active for months and some withstand for years. These malicious codes are spywares, malware mingled with root kit. These lead to installation of unwanted software without your knowledge. Most of the antivirus and anti spyware removes malicious code only after it causes damage to your computer. Root kits are used to monitor the running programs on your system and these are programmed very tricky.
Who use back doors and bot?
1. Key loggers
2. Security crackers
3. Password stealers
1. Key loggers
2. Security crackers
3. Password stealers
Some key loggers use bots to steal your password or credit card details. Some malicious code increase vulnerability. As a result it makes a way for various viral infections. This mainly spread through some malicious sites. They make a wide back door to collect informations from your computer.
How to Find and Remove if your computer is affected with bots?
If you think that your computer is affected with virus you can install some softwares to find and remove it. Some famous softwares like AVg, Trend Micro RUBotted,etc.
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