Trend Micro House Call is an application that lets you free your computer from any type of virus. The difference between this app and the rest of the applications is that this one has it without installing any antivirus.
It is particularly useful when you already have an antivirus installed and you want to make a second opinion.
This is the perfect way to scan your computer and double check your computer against viruses and other malware.
Finally, we have to be brighter that it consumes very little resources and it works well, so do not hesitate, and make sure your computer is safe.