Win32.Acropolis is a typical backdoor Trojan that will enter your system surreptitiously and under false pretenses.  Once it has entered, it will open up an entryway or backdoor that will facilitate a hacker to enter and take control of your system.  This is where the true danger begins.  The hacker will be able to run applications, add or delete files and can even take pictures of your desktop.  Your most highly sensitive information will be at serious risk of being stolen.
To protect yourself from this dangerous action you can use a spyware removal system that has proven results.  SpyZooka is a spyware remover with a 100% customer satisfaction or your money back guaranteed.