Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
Mass Instant Messenger 1.7 is an unwanted adware parasite that has a main objective of displaying several commercial advertisements through ad-supported software such as a web browser application. Many of the advertisements from Mass Instant Messenger 1.7 could lead computer users to malicious websites or trigger the download of other malware. Mass Instant Messenger 1.7, if installed, hides itself from computer users what could make it difficult to detect and remove. For that reason it is suggested that you use a spyware scan and detection tool to remove Mass Instant Messenger 1.7.
Technical details (How to remove Mass Instant Messenger 1.7(pop up))