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Kaspersky Labs has come across a blackmailing virus dubbed Virus.Win32.Gpcode.ak that encodes all user's files with extensions like *.doc, *.txt, *.pdf, *.xls, *.jpg, *.png, *.cpp, *.h and the like by means of a strong RSA encryption algorithm with a 1024-byte-length key. The virus adds a "._CRYPT" signature to the encoded files and places a "!_READ_ME_!.txt" plain text document in the same folder with the following contents:
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