no tools to check this virus. Im using Kaspersky, before this antivirus detect by the kaspersky, my fren who get infected experience windows security notified that no antivirus and firewall exist on the computer although my kaspersky business installation complete with antivirus and firewall itself. I found the virus an terminate the virus before reinstalled the kaspersky antivirus back before update the definition to get rid of the infection. After that, the problem solve.