If you do not know yet there is a Skype worm spreading around that is affecting Skype Windows clients. The virus automatically sends a chat message to other Skype users containing a link to an image on a website where users are prompted to download a file with the .scr extension using a simple redirection. SCR files are screensaver files usually but also often used by malware to infect systems and bypass security software that is mainly looking out for .exe files.
If a user runs the downloaded .scr file on the computer it will become infected with the w32/Ramex.A virus which uses Skype’s public API to access the infected pc.If you are lucky, your resident antivirus software may block the execution of the file, if not, you may need to follow the guide below to uninstall it from your system.Many antivirus companies like Symantec, Kaspersky and F-Secure have already updated their virus definitions to detect and remove the worm.
It is however also possible to remove the worm manually by following the steps outlined below:
via Skype blog
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