JF> When I try pinging Google, I get []. But when I
JF> use NSLOOKUP to find www.google.com, it gives the me correct
JF> IP address,

JF> I've tried running ipconfig /flushdns [...] no affect [sic].

JF> DNS problems on my machine originally began yesterday, [...]

That was the day that you ran the trojan on your machine.