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WIN XP PC - files damaged/encrypted from "Crypto" virus - please help - how can I decrypt ?

Posted on 2014-10-08
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Last Modified: 2016-11-23
I have a WIN XP Dell PC - all files damaged/encrypted from "Crypto Locker" virus - please help - how can I decrypt ?
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Question by:expressconsult
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John Hurst earned 2000 total points
ID: 40369900
You cannot. You need to get files from backups and if you did not back up your documents, they are lost.

Do NOT pay to get the key. The perpetrators are criminals and paying them will invite deeper trouble.
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by:expressconsult
ID: 40369949
So there is no decrypting software or tool that can help in my case ?
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by:akb
ID: 40369980
John Hurst is right. It is not possible to decrypt without the keys.
I had my first experience 2 days ago with this nasty virus.
Luckily my customer had good backups and we were able to recover after removing the virus.
If you do not have good backups then you may have no option but to pay them - that is a decision for you.

There is a good article on Cryptolocker here: http://www.pcworld.com/article/2060640/cryptolocker-creators-try-to-extort-even-more-money-from-victims-with-new-service.html
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by:Dr. Klahn
ID: 40369998
Depending on which version has hit your system, there may be a solution.  See the article at the site below:

http://www.fireeye.com/blog/corporate/2014/08/your-locker-of-information-for-cryptolocker-decryption.html

If you were hit by a recent version with a recent key, this will not do the job.  However, if you were hit by one of the earlier versions using one of the keys acquired during the anti-CryptoLocker campaign, this may work.

If this fails, the options are as previously described above.  Pay the ransom, reload from a recent full backup, or reload Windows from scratch as the system should no longer be trusted even if cleaned up.
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by:rindi
ID: 40370055
Even if you pay the ransom, you aren't guaranteed that you'll even get the keys. So as thinkpad's mentioned already, NEVER pay. At least now you can move up from XP to a supported OS....
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