Some kind of virus ate my files!

[Be Cool]

Hi every one!
How are you?

I need your help on this one please, I've already attached the log file

Thank you,

[Rene-gad]

Hi,
pls decribe you problem with more details.

[Be Cool]

I gave my PC to my sister for a few minutes and when I came back I found that she have installed a software.
That software (virus) crashed Avira antivirus and most of my softwares and they are not running anymore .

[Rene-gad]

The attached log shows nothing, pls. make a log of Malwarebytes Antimalware.

[Be Cool]

Here you go.

[Rene-gad]

Here you go.

No, it's info-log. Pls. set the point at Perform Full Scan and press the button Scan.