Learn about trojan.kotver.gm2
As for innocent users, you have no chance to see trojan.kotver.gm2 but it may have run itself on your pc for months. trojan.kotver.gm2 is a typical trojan which is good hider. Sometimes it fakes as a txt, and the other time it is a html, zip, and so on. When you detect this files, you will not plan to delete it and you will think they may be important. So trojan.kotver.gm2 survives.
Also, trojan.kotver.gm2 will run itself with some .exe files or .com files. And it will be packed with them, so when users get them run, trojan.kotver.gm2 sneaks into the system. Smart as it is, it will also do some prevention when users opens the files and detect some things. And it will pop up a error notice to alert you that this documents is broken and cannot be open. Things like this will make it survive for a long time on your pc.