Please confirm the name of the trojan you suspect - there is a
SWIZZOR trojan family of which I am aware, one variant of which is suffixed "
.dq" - but I haven't come across anything out there named "
SWIZZER"".
Precisely what removal tools have you used? How did you employ them, and what were the results? Have you any of the logs from them? What operating system and browser are you using, and what is their update status? What resident security and privacy software do you have on your machine, and what is its update status?
For a place to start with resolving yuckware removal issues, have a look
HERE.