Bitdefender Offers Free CryptoWall Vaccine

Bitdefender, the innovative antivirus software provider, is offering a new freeware utility to protect users against CryptoWall. This family of file-encrypting viruses has been around for less than 5 months and has already extorted more than $1 million and inflicted inestimable damage on users who refuse to pay ransom.

File-encrypting ransomware has become one of the industry’s biggest challenges in 2014. Because of the industry-grade asymmetric encryption algorithm, there is no reasonable way to recover the files without the private decryption key.

“Ransomware is not only technologically challenging for both users and antimalware companies, but its success in extorting money is inspiring other cybercriminal groups to enter the ransomware business,” said Bitdefender Chief Security Strategist Cătălin Coșoi. ‚”The tool we are releasing today blocks the encryption process even if the computer becomes infected.”

CryptoWall Immunizer can be downloaded for free from the Bitdefender Labs product page.

About the author


Bogdan Botezatu is living his second childhood at Bitdefender as director of threat research. When he is not documenting sophisticated strains of malware or planning removal tools, he teaches extreme sports such as surfing the web without protection or rodeo with wild Trojan horses. He believes that most things in life can be beat with strong heuristics and that antimalware research is like working for a secret agency: you need to stay focused at all times, but you get all the glory when you catch the bad guys.


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  • Dear Sirs,
    Your product is really outstanding.
    It is my pleasure and benefit for using your product and I am in touch with your company.
    Also thank you for your offer for free use CryptoWall Vaccine

    Best regards and I wish you new successes, Happy and Prosperous New Year 2015!


  • Thanks for the use of the immunizer. I have not used it yet. IT WAS RECCOMENDED BY “COMPUTERACTIVE”MAGAZINE so I will put it on my computer. REGARDS DERMOT MILEY

  • Are Macs vulnerable to Cryptowall and Cryptolocker? If so, is there any kind of “vaccine” for us?

  • multumiri pentru oferta gratuita. Il voi instala pe computerul meu fiind convinsa ca este foarte eficient

  • hello i jhave been infected by crypto wall 3. I t is all removed but the files are encypted. Have you a solution ?