De-duplication on variable-sized blocks.Personally, I prefer borg-backup, because it does: Whether that means using Duplicity or borg-backup or rsync or rdiff-backup or rsnapshot, writing to an external USB drive or a server on the other end of a SSH connection, is up to you. Then you would only have the LVM snapshot active long enough to take the backup. Moreover, if these files are shared with your colleges, the files will be infected for them too.If LVM snapshots are not working for you, then you need to look into periodic (and possibly frequent backups), written to a location where malware does not have write-access. The most important point is that, if at the time of a virus attack your computer’s documents sync with cloud storage (Google Drive, Dropbox, OneDrive), the cloud storage will be infected as well and you will not have access to it.
The new CTB-Locker edition already encrypted data on more than 70 servers located in 10 countries, the USA is the most affected one. $400 – $800 (in bitcoins) within 72 or 100 hours.Ī new threat – encrypted files on Web servers. SpreadĮmails from legitimate companies that have infected attachments.įiles of Microsoft Office, OpenDocument, pictures, AutoCAD files, and other documents. Then, within 1 month in case no payments are made, the files become unrecoverable forever.ĬryptoLocker, appeared in September 2013. $400-$500 for the first few days and it doubles after. The virus deletes volume shadow copies to reduce the chance that encrypted files can be recovered using standard Windows file recovery tools. Windows system process is launched in a suspended state. Via spam email with a link or an attached document.Įmails used the specific language of the targeted country and were sent by familiar localized brands or by government departments. TorrentLocker, appeared in February 2014.
The virus gives the possibility to restore one file for free to make sure that decryption is possible. Newer variants of the virus infect computers without these games. It falls under the encryption player profiles, data, custom maps, and game modifications stored on the victim’s hard drives. The virus searches the file related to 40 different games, that can be installed on the computer, such as the Call of Duty series, World of Warcraft, Minecraft, and World of Tanks and encrypts them. It gets through compromised websites’ frames.
Spreads through Angler exploit kits, like Adobe Flash that download the virus into the computer.
And Mac protection system Gatekeeper didn’t notice a threat.Īn installed file from the official website. Another point is that the file was signed with the certificate that Mac app considered valid. The file on the official website was replaced by a malicious fake version.
The case of Mac OS infection started from an installed file, which is unusual for ransomware viruses that used to come from emails.
Ransomware for Mac OSĪmong the operating systems defeated by Ransomware, Mac OS is the newest. Linux.Encoder has been recompiled on Mac and called KeRanger. This malware then infects the host machine and encrypts all the files in the “home” directories of the system. Injected into websites via known vulnerabilities in site plugins or third-party software. “A completely new ransomware variant was discovered to be targeting websites instead of users’ hard drives. Linux.Encoder.1, the first ransomware, appeared in November 2015.