TeslaCrypt is very dangerous encrypting virus and ransomware. It uses AES encryption to encrypt sensitive user files (documents, photos, music, video). After this it asks for a ransom to decrypt those files. One of the features of TeslaCrypt ransomware is that it also affects gaming files of most popular games
Zingload.com is controversial search engine. It is not a virus, and it is not very dangerous. Zingload.com actually redirects your searches to Google Custom Search results. Main issue is: hijacker installs in Google Chrome, Mozilla Firefox and Internet Explorer and sets as default homepage and search engine. Zingload.com also hijacks browser shortcuts to make them open its URL every time users click on them.
Zepto Ransomware is new file-encrypting ransomware from Locky family. It uses RSA-2048 encryption algorithm and appends .zepto extensions to encrypted files and modifies file names with set of numbers and letters. First part of this set is your actually personal ID that is needed to pay the ransom and get decryptor. Ransom amount is 0.6 BitCoins (~$365). Zepto creates _HELP_instructions.html file with instructions to make the payment.
Crypt0L0cker is newer version of TorrentLocker ransomware, that appeared earlier. It encrypts all files except .html, .inf, .manifest, .chm, .ini, .tmp, .log, .url, .lnk, .cmd, .bat, .scr, .msi, .sys, .dll, .exe, .avi, .wav, .mp3, .gif, .ico, .png, .bmp and .txt that are necessary for proper Windows operation. All files get .encrypted extension and become inaccessible. The ransom amount is 2.2 Bitcoin. Crypt0l0cker creates DECRYPT_INSTRUCTIONS.html and DECRYPT_INSTRUCTIONS.txt files with instructions to pay the ransom and receive decryptor.
UltraCrypter is new version of ransomware that belong to the family of CryptXXX. It distributes via Angler Exploit Kit. It uses the same RSA-4096 encryption algorithm, but another type of decryption keys, that is why there are NO available 100% working decryptors yet. UltraCrypter adds .cryp1 extensions to all affected files. The ransom is 1.2 Bitcoins ($567.6). Malefactors give 96 hours to pay this amount, otherwise it will double to 2.4 Bitcoins.