SoftwareBundler:Win32/Tillail is considered as a PUP(Potentially Unwanted program). But it also has the capability to a Trojan horse which is designed by cyber criminals for the purpose of making profits. Usually, it is distributed with the help of freeware or shareware that are shared on the Internet. What's more, clicking on the malicious websites or web pages can make your PC infected as well. It is dangerous to view pornographic websites or corrupted web pages.