It is a critical vulnerability in the Windows Print Spooler service on Windows 2008/7/Vista/2003/XP computers, which allows hackers to gain remote control of the affected computer with the same privileges as the logged on user.

It is a critical vulnerability in Unicode Scripts Processor on certain Windows and Office versions, which allows hackers to gain remote control of the affected computer with the same privileges as the logged on user.

It is a critical vulnerability in MPEG-4 codec on Windows 2008/Vista/2003/XP computers, which allows hackers to gain remote control of the affected computer with the same privileges as the logged on user.

It reduces the protection level of the affected computer, preventing the execution of many processes and services related to computer security. It attempts to download several applications in order to steal the passwords stored by several programs and browsers. It spreads via email in messages with subjects like Here you have, through removable drives and across networks.

It is designed to blackmail users, by blocking the computer and by asking $12 for some code to unblock it. It does not spread automatically using its own means.

It modifies the domain name system( DNS) in order to redirect users to a false website, from which malware can be downloaded to the computer. It does not spread automatically using its own means.

It is a fake antivirus program which deceives users and warns them of unexisting threats in their computers. It can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program.

It is designed to steal users' confidential information related to certain Brazilian banking entities and other web services, like Hotmail. It is distributed via email messages using the news about the tragedy of the Chilean miners.