Jim Youll wrote:
If there's just one key, then Kaspersky could get maximum press by paying the ransom and publishing it. If there are many keys, then Kaspersky still has reached its press-coverage quota, just not as dramatically.
The key size would imply PKI; that being true, then the ransom may be for a session key (specific per machine) rather than the master key it is unwrapped with.
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