I've been getting google redirects on one of the family's computers, and a quick google search (on another computer) found that its more than likely a rootkit. The problem is, any antivirus program, or some of the solutions online (eg TDSS) have also failed. Any time I try to run a program it comes across a process with a long string of numbers in its name and crashes, gets labeled with a small icon, and is unable to run in subsequent attempts. Since I'm running out of ideas here, aside from formatting the drive, I'd like to ask for some help.
I ran regedit and found that the process can't be killed, since it seems to randomly respawn in different places in the registry, as does the process itself. I've been able to keep it away from the task manager by suppressing it, but it doesn't make a difference when I try to use an internet browser.
Device manager revealed nothing obviously suspicious, and the Avant rootkit tool seem to reveal that there's a problem with smd.sys before I get BSOD, and when I tried the same thing in safe mode, the program again crashes, and I can't rerun the same copy of the program.
So, any help would be appreciated very much!