What is CryptoWall and how does it work?

Simply put, the Cryptowall is a Trojan horse that encrypts files on the jeopardized computer and then proceeds to threaten the user to pay a ransom to have the files decrypted. The ransomware arrives on the affected computer through spam emails.

What is CryptoWall Locker Ransomware?

It is believed that CryptoWall Locker virus was developed by the same team of online criminals who might be accused of developing Cryptolocker, CryptoDefense, BitCrypt, Cryptorbit, and Critroni. All the mentioned CryptoWall ransomware arrive through Trojan horse which might use exploit kits and malicious spam emails.

What's new in CryptoWall 4.0?

3. CryptoWall 4.0 now encrypts not only the data in your files, but the file names as well. This social engineering technique confuses the victims even more. It also enhances the pressure of wanting to retrieve their data as fast as possible.

How do I know if CryptoWall has compromised a host computer?

There are two telltale signs that indicate CryptoWall has compromised a host computer. When attempting to open certain files, such as .doc, .xls or .pdf, for example, the files are launched with the correct program; however, data may be garbled or not properly displayed.