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June 25, 2016 10:00 pm

Crypto Ransomware Attacks Have Jumped 500% In The Last Year

Kaspersky Lab is reporting that the last year saw a 500% increase in the number of users who encountered crypto ransomware.Trailrunner7 shares an article from On The Wire: Data compiled by Kaspersky researchers from the company's cloud network shows that from April 2015 to March 2016, the volume of crypto ransomware encountered by users leapt from 131,111 to 718,536. That's a massive increase, especially considering the fact that ransomware is a somewhat mature threat. It didn't just burst onto the scene a couple of years ago. Kaspersky's researchers said the spike in crypto ransomware can be attributed to a small group of variants. "Looking at the malware groups that were active in the period covered by this report, it appears that a rather short list of suspects is responsible for most of the trouble caused by crypto-ransomware..." It's difficult to overstate how much of an effect the emergence of ransomware has had on consumers, enterprises, and the security industry itself. The FBI has been warning users about crypto ransomware for some time now, and has consistently advised victims not to pay any ransoms. Security researchers have been publishing decryption tools for specific ransomware variants and law enforcement agencies have had some success in taking down ransomware gangs. Enterprise targets now account for 13% of ransomware attacks, with attackers typically charging tens of thousands of dollars, the article reports, and "Recent attacks on networks at the University of Calgary and Hollywood Presbyterian Medical Center have demonstrated the brutal effectiveness of this strategy."

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