avast can delete virus decrypt data?

I have same problem with .him0m file extension virus http://nabzsoftware.com/types-of-threats/him0m-file this virus i delete but same days i give other virus like .him0m file. Meybe porno site download this virus any time if i watch.
Avast can delete virus decrypt data and block download virus?

Avast detect and remove ransomware, but new versions are frequently released to avoid detection
No security software have 100% detection or zero false positives

Crypted data is lost :-\

You may want to post in this forum section Русский > https://forum.avast.com/index.php?board=28.0

If it comes back, it was not removed (properly) or your system got infected again.
If the first case is true, follow the instructions :
https://forum.avast.com/index.php?topic=53253.0

If the second case is true, you really should changes your online habits.