How to remove GoogleChrome.a3x

A new variant of Worm.autoIt GoogleUpdate.a3x just been discovered by UsbFix: GoogleChrome.a3x This variant create 2 folders on the system disk : C:\GoogleChrome C:\MozillaFirefox She put the malicious script GoogleChrome.a3x (encoded AutoIt Script), renowned wscript.exe copies, copies of famous AutoIt.exe, copies of cmd.exe renamed and shortcuts : GoogleChrome.lnk