CA's PestPatrol anti-spyware application now offers users the ability to remove the application, which it refers to as a Trojan horse.
The vendor justifies referring to the technology as a Trojan by pointing out on its spyware information website that XCP "installs without user permission, presenting only a vague and misleading end user licence agreement".
XCP also changes the system configuration without the user's permission and silently modifies other program information or website content. CA has further alleged that Sony has failed to allow users to remove the tool.
The application is also accused of shortening the life span of the user's hard drive by performing a scan of system processes every 1.5 seconds.
Another widely publicised feature of the technology is a rootkit that hides the digital rights management technology from the system and the user.
The rootkit will actually hide any file, process or registry key that begins with the characters '$sys$', making it extremely easy for virus authors and hackers to hide malicious applications from virus and spyware scanners.
Sony has always denied that there are any security issues associated with the software.
The technology was designed by First 4 Internet, and is bundled with several of Sony's audio CDs. Roughly two million of the CDs have been shipped.
Users who seek to play the CD on their computer CDRom drive on a Windows machine are presented with a licence agreement.
While the licence discloses that software will be installed, it does not give details and falsely suggests that it can be uninstalled. Upon agreement, the rootkit and DRM technology is installed.
Sony has released a patch that removes the cloaking feature of the rootkit, but CA pointed out that the patch failed to resolve all security concerns.
To obtain the Sony uninstaller, users are also required to give out personal information that will be used by Sony BMG and undisclosed third parties.
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