Adware.SweetIM is an adware application that is supposed to perform a messenger function. According to various sources SweetIM causes a lot of problems to the user. It is commonly called a "virus", but in reality it is not a real computer virus. Adware.SweetIM is an adware application that tracks your browsing habits and then provide you with "unwanted" commercial advertisements, trying to make some revenue for various suspicious websites. Thus, Adware.SweetIM has to be removed from your computer if you want to avoid being infected by other malware.
Usually Adware.SweetIM is installed on your computer without your permission and then it changes browser settings by setting a different homepage. You will also notice that most of your searches are redirected to websites you were not planning to visit. Most of the time you are redirected to those websites that use pay-per-click system to generate revenue. It is also possible to land on a website that might have some infected files. Such situations lead to further infections, so in a way Adware.SweetIM indirectly can be responsible for infecting you with even more dangerous malware.
Usually adware and toolbars that come with them should be easy to remove from the computers. However, the toolbar that comes with Adware.SweetIM does not have any uninstall feature provided, even if Adware.SweetIM's files are all located at C:\Program Files. This is a legitimate location for any program that is installed on your computer, yet the fact that Adware.SweetIM does not allow you to remove it just like that raises a question whether it really is a useful application.
If you look at it further, you will see that such files as xqfaji.exe, crrss.exe or xmxt.exe, that are directly related to Adware.SweetIM, are classified as computer malware. Therefore, it should be clear that this program cannot remain in your system any longer.
It is highly recommended to remove Adware.SweetIM with an antimalware tool that will scan for other possible infections. Since this adware does not have an uninstall utility, manual removal could prove to be tedious especially if you are not a computer expert. Put your trust in a legitimate antimalware program and delete Adware.SweetIM at once.