(B) Facts regarding CryptoLocker
1. CryptoLocker is a computer virus which mainly targets computers running Microsoft Windows and first surfaced in September 2013. There are no countermeasures for the malware and it is spreading throughout the world.demand you to pay about thirty thousand yen worth of money by “Bitcoin” or other virtual currency as a ransom. The term of payment will be displayed on the screen of the computer and it will threat you that if the term of payment is over, it will destroy all the encrypted files.
3. “Bitcoin”, started off with the paper presented by Satoshi Nakamoto in 2009, is a virtual currency which remittance and beneficiary are able to deal currency without using financial institutions by using a network system called P2P.
4. At the moment, there is no common anti-virus software that detects CryptoLocker in advance and is almost impossible to avoid its activation.
5. In the United States, the United States Computer Emergency Readiness Team (US-CERT), which is part of the Department of Homeland Security (DHS), presented an alert publication titled “Alert (TA13-309A)” on the 5th of November, 2013. Alerting the risk of CryptoLocker.
6. On the 15th of November 2013, in England, the National Cyber Crime Unit of the National Crime Agency (NCA) alerted the risk of CryptoLocker on their website.
7. The crimes using similar ransomware to CryptoLocker are rapidly increasing in Japan since May 2013. According to the report dated on the 6th of December, 2013, from Trend Micro Incorporated, more than 180 cases were identified. In addition, a few Japanese who lives in Japan were identified that the malware has been activated in their computer by the actual CryptoLocker after September 2013.
8. The investigation result from Dell SecureWorks dated on the 19th of December, 2013, reported that CryptoLocker has been activated in about 250,000 computers only in the United States and England within 100 days after its first appearance in September 2013 and collected thirty million dollars (nearly three billion yen) at the minimum.
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