Scammers behind the “Microsoft Tech Support Scam” pretend to be from Microsoft or another official group and claim to have detected errors on the users’ computers. They have the victims pull up internal logs that show errors, and convince them to download and run the Ammyy Admin software to allow them to remotely control the system. After that point, they may install backdoors or other malware, or simply ask for hundreds of dollars to “fix” the problem.
Ammyy Admin is one of many remote control software programs; it is not inherently malicious. The scammers just use it because it’s an entirely self-contained executable that runs without any installation, it’s the easiest to use for an ad hoc connection.
Read more and download the complete package here - http://www.scriptjunkie.us/2014/09/exploiting-ammyy-admin-developing-an-0day/