New Viruses are released daily to cause damage or to infect our computers. Below is a list of a few viruses classed as being the most common in regards to being seen the most or to potentially cause damage. Please note that this is is not a comprehensive list and there are other viruses which have not been mentioned below. Always keep your AntiVirus software up to date at all times. Trojan.Lodear This is a Trojan horse that will attempt to download remote files onto your computer. It will inject a .dll file into the explorer.exe process causing issues with your system. W32.Beagle.CO@mm This is a mass mailing worm that will lower your security settings. It can delete security related registry keys and can block access to security related websites such as Windows updates or Anti Virus downloads. Backdoor.Zagaban This is another type of Trojan horse which allows a compromised computer to be used as a covert proxy. This can also cause poor network performance. W32/Netsky-P This is a mass mailing worm which will spread through your email address book. W32/Mytob-GH This is another mass mailing worm and also an IRC backdoor Trojan for the Windows platform. You may have come across actions taken by this work as messages sent will have the subject such as, notice of account limitation, Email Account Suspension etc W32/Mytob-EX Another mass mailing worm and IRC backdoor Trojan similar in nature to W32-Mytob-GH described above. W32/Mytob-ex runs in the background without you knowing and provides a backdoor which can allow a remote hacker to gain control of your computer. This virus spreads by sending itself to email attachments from your email addresses so when you forward an email the virus goes with it. W32/Zafi-B This is a peer to peer and email worm that copies itself to the Windows system folder located on your C Drive. It will name itself as a randomly named .exe file. The .exe file is excuted so the worm can test for an internet connection by attempting to connect to sites such as Google. Please note there are lots of other dangerous viruses out there. I recommend you visit Anti Virus sites to gain further knowledge.