India was the 5th most affected country by WannaCry ransomware: Report

India was the 5th most affected country by WannaCry ransomware, said a report from cybersecurity vendor F-Secure. The report said that ransomware attacks grew in volume by over 400 percent in 2017 compared with the previous year.

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India was the 5th most affected country by , said a report from vendor F-Secure. The report said that ransomware attacks grew in volume by over 400 percent in 2017 compared with the previous year. The firm attributes this growth to the WannaCry crypto worm but notes that other ransomware attacks became less common as the year progressed, signaling a shift in how cybercriminals are using the malware.

The report finds that ransomware evolved as a threat considerably during 2017. Prevalent threats during the year included established ransomware families like Locky, Cryptolocker, and Cerber. But it was WannaCry that emerged as the most frequently seen ransomware threat in 2017: the notorious crypto worm accounted for 9 out of every 10 ransomware detection reports by the end of the year.

But while the WannaCry ransomware family remained prevalent in the second half of 2017, the use of other ransomware by cybercriminals seemed to decline. It’s a phenomenon that F-Secure Security Advisor Sean Sullivan says points to amateur cyber criminals losing interest in ransomware.

“After the summer, there was a noticeable shift away from the kind of ransomware activity that we’ve seen in the last year or two,” said Sullivan. “The last couple of years saw cybercriminals developing lots of new kinds of ransomware, but that activity tapered off after last summer. So it looks like the ransomware gold rush mentality is over, but we already see hardcore extortionists continuing to use ransomware, particularly against organizations because WannaCry showed everyone how vulnerable companies are.”

The report notes that while there were signs of ransomware declining as 2017 closed, there’s also evidence suggesting that ransomware use will gravitate to more corporate focused attack vectors, such as by compromising organizations via exposed RDP ports. The SamSam ransomware family is known to use this approach and has already infected several US-based organizations this year, including the city of Atlanta’s IT systems in a recent attack.

According to Sullivan, there are several factors that are contributing to the apparent change in how ransomware is being used. “The price of bitcoin is probably the biggest factor, as that’s made crypto mining a lot more attractive and arguably less risky for cybercriminals. I also think revenues are probably falling as awareness of the threat has encouraged people to keep reliable backups, as has skepticism about how reliable criminals are on delivering their promises of decrypting data. But cybercriminals will always try to pick low hanging fruit, and they’ll return to ransomware if the conditions are right.”

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