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April 16, 2010 / Guest / Uncategorized / Leave a Comment

How to tell if your computer is infected with a botnet

When many computers have been hacked to turn them into zombies computers, we call such a group a Botnet. Those computers are being used by cyber criminals to send spam emails and/or to attack websites. Hackers are controlling such botnets using a control server and a bot-herder command. This is done at distance once those computers have been turned into zombies ones. They become such thing when they are infected by “bots”. Small programs similar to viruses. Botnets are one of the more dangerous types of menace which occur in cyberspace, as they can harm whole networks as well as individual computers. Besides being used to send spam emails, those botnets can also carry adware, viruses, malware and more. They can also be used to perform ‘Denial of Service (DoS)’ and ‘Distributed Denial of Service (DDoS)’ attacks on servers, during which zombie computers are used to overload target servers with requests, causing the server to freeze from excessive information. Here online virus removal you can find a great online service ready to repair any problems your PC may have.

Trojans, viruses, malware are used to infect computers with Botnet’s code. Your computer might get infected by such trojan or virus if you do open any links in all those spam emails. You can also become infected by downloading any application like fake codecs coming from hacked sites while in fact you thought you were installing a legit video or audio codec. Once installed, the botnet immediately connects to the bot-herder server and receives instructions such as where to send its spam emails, which servers to attack and instructions on how to propagate the botnet across the internet. Most of a botnet’s activity occurs without the user noticing any major difference in their computer; therefore it is important that users have a clear understanding of how to recognize a botnet infection. This site virus removal guides has good infos about spyware removal, while this one virus remover has everything you should know about virus removal.

If you do notice your PC is slowing down, this might be a sign it is infected with a botnet. Another problem is that your internet own connection will be slower than usually. This is because the botnet is connecting itself to lots of places. You might notice 2 more things: you have less hard disk space than before and your browser is not working as usually. So your browser might shut down without warnings, your homepage and your Windows desktop might be changed for no apparent reasons.

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