This is not a virus, it is ransomware in the STOP family of ransomware.
It appears to be possible to decrypt this, as a web search on .peta ransomware returns many results from reputable sources. See the results from:
https://duckduckgo.com/?q=.peta+ransomware
NOTE WELL: .peta and Petya are NOT the same thing. Only look at information either for .peta or the STOP family of ransomware.
Is it recover my photos and videosThis is not a virus, it is ransomware in the STOP family of ransomware.
It appears to be possible to decrypt this, as a web search on .peta ransomware returns many results from reputable sources. See the results from:
https://duckduckgo.com/?q=.peta+ransomware
NOTE WELL: .peta and Petya are NOT the same thing. Only look at information either for .peta or the STOP family of ransomware.
it would be premature to tell you 'all will go perfectly' on getting your files decrypted)