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Crypto Locker

Regarding the Crypto Locker Virus/Malware

has anyone seen "crypto locker" encrypt an already encrypted Server/Workstation?

IE: if everything is already encrypted are we exposed ?
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jwrotondo
Asked:
jwrotondo
1 Solution
 
Joseph DalyCommented:
It can and will encrypt files that have already been encrypted. Basically double encrypting files making them that much harder to recover if you pay the ransom since you need to pay for both keys.

If the user account that gets infected with cryptolocker has write access to the file it will encrypt it.
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aadihCommented:
Keeping regular backups is the only prevention and protection.
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Dave HoweSoftware and Hardware EngineerCommented:
It does encrypt files "protected" by bitlocker or truecrypt. I have heard conflicting stories regarding efs - allegedly it can't access those, but I haven't seen an official statement either way, and you would think that Microsoft would be crowing about that if it were true. ..
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