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Computer Viruses that Come a Callin’
Monday, January 5, 2009

Every day new viruses are created to annoy us and break havoc on our systems. Here are ten viruses currently cited as the most widespread in terms of being seen or in their ability to cause damage. New viruses are created every day. This is not an exhaustive list. The best thing you can do is remain vigilant, keep your antivirus software up to date, and remain aware of the threat of viruses.

Virus: Trojan.Lodear
A Trojan horse that attempts to download remote files. It will inject a. Dll in the EXPLORER.EXE process causing system instability.

Virus: W32.Beagle.CO @ mm
A worm mass-mailing that lowers security settings. It can delete security and registry keys in May to block access to security websites.

Virus: Backdoor.Zagaban
A Trojan horse that allows the compromised computer to be used as a proxy disguised May and degrading network performance.

Virus: W32/Netsky-P
A worm mass-mailing that spreads by e-mail itself produced from files on local drives.

Virus: W32/Mytob-GH
A worm mass-mailing and IRC backdoor Trojan for the Windows platform. Messages sent by this worm is the theme chosen at random from a list including titles such as: Notice of limitation account, email account suspension, the security measures, members of support, reporting significant.

Virus: W32/Mytob-EX
A worm mass-mailing and IRC backdoor Trojan similar in nature to W32-Mytob-GH. W32/Mytob-EX runs continuously in the background, providing a backdoor server which allows a remote intruder to access and control the computer via IRC channels. This virus propagates itself by sending email attachments harvested from your e-mail.

Virus: W32/Mytob-E, Mytob-BE, Mytob-C, and Mytob-ER
This family of variants of the worm has similar characteristics in terms of what they can do. They are mass-mailing worm with backdoor functionality that can be controlled through the Internet Relay Chat (IRC) network. In addition, they can spread via email and through various vulnerabilities in operating systems such as the LSASS (MS04-011).

Virus: Zafi-D
A worm mass mailing and peer-to-peer worm that copies itself to the Windows system folder with the filename Norton Update.exe. It can then create a number of files in the Windows system folder with filenames consisting of 8 random characters and a DLL extension. W32/Zafi-D copies itself into folders with names containing share, upload, or music as ICQ 2005a new!. Exe or winamp 5.7 new!. Exe. W32/Zafi-D also can display a fake error message with the caption "CRC: 04F6Bh" and the text "Error in packed file!".

Virus: W32/Netsky-D
A worm mass-mailing with IRC backdoor functionality which can also infect computers vulnerable to the LSASS (MS04-011) exploit.

Virus: W32/Zafi-B
A peer-to-peer (P2P) and email worm that copies itself to the Windows system folder as an EXE file named randomly. This worm will test for the presence of an internet connection by attempting to connect to www.google.com or www.microsoft.com. Bilingual, a worm with an attached Hungarian political text message box which translates as "We demand that the government welcomes the homeless, said the Criminal Code and VOTE FOR THE DEATH PENALTY to reduce the increase in crime . June 2004, Pécs (SNAF Team) "

posted by neptunus @ 2:00 AM  
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