You could never expect anything worse than CryptoWall 3.0 attacking your PC. It is a serious ransomware that intrudes in the marked PC by bundling itself with email attachments, fake freeware downloads, P2P file sharing network etc. Once it settles down, it begins locking some important files with extension such as .doc, .docs, .jpeg, .mp3, .ppt, .pdf and so on. Actually, it contains a list of extensions where all the types of file which it can encrypt have been mentioned. It scans the System hard-disk and keeps on locking the matched files extensions. Once the targeted files get locked, it shows a note demanding ransom when the locked files are tried to access. The demanded ransom amount is somewhere around $500 for getting the decryption key. CryptoWall 3.0 can execute in all the Windows PC versions including Windows XP, Windows 7, and Windows 8 and so on. The folder that is containing the encrypted files automatically creates HELP_RECOVER_Instruction.CryptoWall 3.0 file in it.
The “How to recover instruction” files contains all the details regarding how to decrypt the locked files. Basically, it has instruction to pay ransom money through Bitcoin method. The encryption is done using RSA 2048 encryption and thus it is very important to have decryption key in order to access the locked files. CryptoWall 3.0 is a command-and-control server controlled by cyber-criminal that actually contains the decryption private key. Since, you are dealing with cyber crooks hence there is no guarantee that your will able to access the locked files once the ransom amount is paid. So, it is ideally recommended to uninstall CryptoWall 3.0 from your PC and get your data from backup. It don’t uninstall it then other new files will also get encrypted.