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Cryptowall infection


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#1 wellym

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Posted 24 July 2015 - 03:32 PM

hey all:

 

Our network got hit by this last night.  I was quickly able to detect which user/computer that it ran from, and have it offline.  I also have determined which directories have been affected.  I am in the process of restoring these directories from backup, so I'm thinking i'm in good shape here.  I will most likely blow out the infected computer and start fresh with it.

 

However, I still am not able to determine how/where this user got infected.  I have looked thru his email inbox/deleted items and nothing is popping out at me.  we have tons of emails with pdf files normally, so I can't really pinpoint if one of the pdfs is the source or not.  I can't find any tool or scanner that can detect the infection.  I really would like to find the source so I can rest assured that it would pop up again from the same source.  If anyone can help me, I would very much appreciate it.

 

thank you,

 

Jeff



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#2 quietman7

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Posted 24 July 2015 - 03:50 PM


A repository of all current knowledge regarding CryptoWall, CryptoWall 2.0 & CryptoWall 3.0 is provided by Grinler (aka Lawrence Abrams), in this topic: CryptoWall and DECRYPT_INSTRUCTION Ransomware Information Guide and FAQ

There are also ongoing discussions in these topics: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 one of those topic discussions. Doing that will also ensure you receive proper assistance from our crypto malware experts since they may not see this thread. To avoid unnecessary confusion...this topic is closed.

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