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#1
How to make sure my PC is completely free of dns changers/viruses etc?
Today I was looking for a game demo of Dragon Age 3, and installed one I found on TheDemoBay. But it seemed very fishy to me, as it was supposed to be only 2.5GB and the exe itself was about 660kb big (while the regular game is around 35GB). And of course, after it finished "installing" - I'm not sure if it even installed anything as there were no folders in the destination - I found no traces of it, it wanted me to go online and download a txt file from the site and input the code from it into the app, after you filled out one of those scam surveys, which I didn't.
Now, I deleted the exe, but I didn't find any traces of the program, and when all items modified today via TreeSize, I couldn't find them. So I ran Malwarebytes Free and AVG Free while the laptop was offline, but they found nothing.
What else can I run to make sure nothing happened, and it didn't change the DNS servers, or install some kind of spyware, virus or something else? Hopefully it was just a scam that tried to take a survey and didn't actually change anything. Thank you!