Online Virus Removal

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. If your computer is going to get infected by some “bots”, chances are it will become part of a Botnet and your PC will then be another zombie one of that group. Your computer will be controlled at distance by some hackers using a control server and bot-herder command. 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. In addition to sending spam emails, botnets are used to distribute adware and spyware as well. 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 Computer Repair Service you can find a great online service ready to repair any problems your PC may have.

Botnets enter user systems via Trojans or viruses which carry the botnet’s code as the payload. These Trojans and viruses may be delivered to the user in the form of spam emails or they could get downloaded from malicious websites, posing as essential video and audio codecs. Once it has infected your PC, the malicious program will connect itself to its bot-herder server and be ready to do more damage. Like preparing itself to send lots of spam emails, or to start attacking some websites or to spread itself to others PC around the world. Most PC users will not even remark that they have a Botnet unto their computer and thus none of the previous activities will be easily detected. So to detect such a threat is very important. This site Spyware Removal has good infos about spyware removal.

The first sign that your computer is infected with a botnet is the inevitable slowing down of your computer. Because the botnet is using the internet a lot, you might notice your connection is slower than usually. Other signs you might be infected are if your browser is not working as before, or if your hard disk is always losing space without you knowing why. Your PC might be infected by a botnet if you do notice that your browser (Firefox, IE, Chrome, ..) is closing with no apparent reasons or its homepage is a different one or if your desktop has been change a lot.