Trojan.Ruftar is the name of the serious infection that might enter your system without your permission and encrypt your files, documents, photos, etc. with the following extensions: .pdf, .xlsm, .key, .mpeg, .psd, .ppt, .mdb, and .pptx. You might wonder why this program acts like this; however, you should just know that it seeks to extort money from computer users. The research shows that the majority of users whose systems are infected with Trojan.Ruftar do not have any security tool installed on their computers. As there are plenty of infections acting in the same manner, you should make sure that your computer is protected from malware. If you have not managed to protect your PC and this infection resides your system, you should do everything that it takes to remove Trojan.Ruftar from the system.
This infection will not only encrypt your files after entering your system, but also display a message that the user has to write an email to firstname.lastname@example.org in order to gain access to his/her files. It seems that the publishers of Trojan.Ruftar will ask you to pay a ransom; however, you should carefully think whether you really want to do that because there are no guarantees that you will receive the private key to decrypt your files. The researchers of 411-spyware.com have carried out a research and found out that RSA encryption method is used to encrypt files; unfortunately, it means that it is impossible to decrypt your documents, photos, and other files yourself.
It has been found out that Trojan.Ruftar might enter the system if you keep visiting corrupted websites and clicking on suspicious ads. Besides, it might slither onto your computer if you use P2P clients carelessly or just keep opening spam emails. Do not forget to keep an antimalware tool enabled all the time. If you do so, there is a great chance that you will be able to prevent undesirable programs from entering the system.
It seems that you will not be able to decrypt your files because this program has sent private and public keys to unknown servers. If it happens that you have the majority of your files backed-up, you should definitely remove Trojan.Ruftar without any considerations. Unfortunately, it is very difficult to do that yourself, which is why we recommend that you scan your computer with an automatic malware remover, for instance, SpyHunter. This tool is very powerful in a sense that it will not only erase all the infections, but also protect your PC from similar threats like Cryptowall and CryptoDefense.