Researchers with Microsoft have spotted a spike in Crowti, a ransomware similar to Cryptolocker that encrypts files on victims’ machines and then asks for payment to unlock them.
Tag Archives: Cryptowall
New Signed Version of CryptoWall Ransomware On the Loose
Researchers have discovered a variant of the CryptoWall ransomware that has a valid digital signature and is being distributed through malicious ads on several top-ranked Alexa Web sites. CryptoWall is one of the more successful ransomware strains in recent memory, with researchers estimating last month that the malware had grossed more than $1 million for […]