BTCWare Ransomware is a big family of ransomware, the successor of Crptxxx Ransomware. Latest versions of BTCWare use AES-192 encryption. This malware encrypts most types of documents, music, photos in user folders and adds various extensions to encrypted files. Originally it was .btcware suffix. Latest version use .cryptobyte, .cryptowin and .theva extensions.
Amnesia Ransomware is another ransomware virus, that encrypts documents, photos, music and other types of personal user files. Virus was written in Delphi programming language. Earlier versions of Amnesia use AES-256 encryption, latest versions use AES-128. After encryption most variants of Amnesia append .amnesia or .TRMT extensions to affected files.
WannaCry Ransomware new dangerous encrypting virus, that targets sensitive user files like documents, photos, videos, music and infected more then 250000 machines worldwide. Unfortunately, currently there are no way to restore your files, but there is no point to pay the ransom either, as malefactors never send the key. Threat developers earned more the $50000 in a few days since several hundreds of users paid the demanded amount. There is no information whether they received decryption service or not.
Spora Ransomware is file encryption virus possibly originating in Russia. It encrypts user files, documents, photos, videos using RSA encryption. Spora does not rename encrypted files. During the process virus generates private key, that, in turn, encrypted with AES encryption. Spora Ransomware is complex infection and certain efforts needed to break it encryption. Currently antivirus companies are unable to find decryption key, and the only way to restore files infected by Spora is backup.
Dharma virus is new variation of Crysis ransomware, and it uses asymmetric cryptography to encrypt user files (documents, music, photos, game files). If you see, that your filenames end on .dharma, .wallet, .zzzzz, .xtbl there is a great possibility you are infected with Dharma Ransomware.
