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Some of my files cannot be opened any more because a hacker wants me to pay him


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#1 InquisitiveOne

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Posted 20 October 2014 - 02:14 PM

Some of the files in my documents (Word documents, Excel docs, pictures, etc.) cannot be opened any more because some hacker left a note saying that payment must be made at paytordmbdekmizq.pay4tor.com in order to decrypt the files before I can use them again. I've heard of this being called file ransom (CryptoWall 2.0).  Norton 360 scanned one of the folders involved and found nothing.  Can anyone tell what my options are right now? 
 
Also, how would the hacker get into my pc in the first place?  Could it be by simply clicking on his site?  I'm pretty careful about not installing unknown .exe files.  Does anyone have any ideas of how this happened and what I can do in the future to prevent it from happening?
 
Also, I've used Norton for over 10 years.  Was this a case of Norton missing it?  If I purchase new anti-virus software, does anyone have a recommendation for a good one that wouldn't miss something like this?

Edit: Moved topic from Virus, Trojan, Spyware, and Malware Removal Logs to the more appropriate forum.~ Animal

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#2 Animal

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Posted 20 October 2014 - 02:54 PM

A repository of all current knowledge regarding CryptoWall is provided by Grinler (aka Lawrence Abrams), in this tutorial: CryptoWall and DECRYPT_INSTRUCTION Ransomware Information Guide and FAQ

Reading that Guide will help you understand what CryptoDefense does and provide information for how to deal with it and possibly decrypt/recover your files.

There is also a lengthy ongoing discussion in this topic: CryptoWall - new variant of CryptoDefense. Rather than have everyone start individual topics, it would be best (and more manageable for staff) if you posted any questions, comments or requests for assistance in that topic discussion.

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#3 keysteal

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Posted 20 October 2014 - 04:54 PM

What extension have your encrypted files?

 

 

Some of the files in my documents (Word documents, Excel docs, pictures, etc.) cannot be opened any more because some hacker left a note saying that payment must be made at paytordmbdekmizq.pay4tor.com in order to decrypt the files before I can use them again. I've heard of this being called file ransom (CryptoWall 2.0).  Norton 360 scanned one of the folders involved and found nothing.  Can anyone tell what my options are right now? 
 
Also, how would the hacker get into my pc in the first place?  Could it be by simply clicking on his site?  I'm pretty careful about not installing unknown .exe files.  Does anyone have any ideas of how this happened and what I can do in the future to prevent it from happening?
 
Also, I've used Norton for over 10 years.  Was this a case of Norton missing it?  If I purchase new anti-virus software, does anyone have a recommendation for a good one that wouldn't miss something like this?

Edit: Moved topic from Virus, Trojan, Spyware, and Malware Removal Logs to the more appropriate forum.~ Animal



#4 InquisitiveOne

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Posted 20 October 2014 - 05:02 PM

They're the same extensions as the original extensions (.doc .xls .jpg, etc).  The hacker's message to make a payment mentions that this is CryptoWall 2.

 

Animal, that's a very informative guide posted earlier. Thank-you. I'll try some of the recovery methods mentioned in that guide but I'm not optimistic.



#5 quietman7

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Posted 21 October 2014 - 01:17 PM

CryptoWall 2.0 uses its own TOR gateways...see Updated CryptoWall 2.0 ransomware released that makes it harder to recover files.

...Animal, that's a very informative guide posted earlier. Thank-you. I'll try some of the recovery methods mentioned in that guide but I'm not optimistic.

If you have any more questions, comments or requests for assistance, please post them in the CryptoWall - new variant of CryptoDefense topic.

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