My computer was infected by the trojan Frethog!generic when I accidentally clicked on an unknown Chinese website last week. My CA Anti-virus (got it free from SBC Yahoo as a DSL customer) discovered it very quickly. Unfortunately, it was only able to remove copies of the virus but not the "original." I googled it immediately but couldn't find much info at first. The first thing I found out was that it was a password stealer. And that's enough to make me lose sleep. Since I was not able to find a quick solution, the next best thing I did was turn off the computer and unplug it from the network.
Fortunately I found a solution from Google later:
1) download a program called ComboFix from here or here.
2) reboot your PC, hit F8 before Windows started and start Windows in "Safe mode"
3) execute ComboFix.exe. It will start a "Text" window and scan your system for "bad stuff." This may take a long time (~10 min for me) After it removed the bad files, it will ask you to reboot. The program resumes after reboot and finally generate a report which includes all files created on your system recently. So in case it cannot find the offender, you still get a clue on what files could possibly be infecting your system.
Even though I dodged a bullet this time, I think it's a sign that I should finally seriously consider to switch OS on my primary workstation. Please read my next post!
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