It's better to test program in virtual machine. That will protect you free from virus, Trojans or malware.
To remove chatzum search bar, please refer to following steps:
1. Please go to the Start Menu. Select Control Panel → Add/Remove Programs.
If you are using Windows Vista or Windows 7, select Control Panel → Uninstall a Program.
2. Search for chatzum searchToolbar or babylon toolbar in the list. Select the program and click Remove button.
If you are using Windows Vista/7, click Uninstall up near the top of that window. (If you do not find any kind of those suspicious toolbar, please just ignore step1 and step2, please go
to step3 directly)
3. Remove chatzum search bar from your Chrome browser.
Open chrome-Wrench-setting-Extensions remove both search.chatzum and new tab
Remember, you must remove the extension "new tab" to completely remove the search.chatzum toolbar.
4. After you remove the annoying toolbar successfully, please download Cloud System Booster to remove the junks and temporary files to be complete free from annoying pop ups and redirect toolbar.
Please tell us the outcome. Thanks in advance.
Anvisoft--A leading Internet security solutions provider