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Ransomware Key logger Question


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#1 JazzMahn

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Posted 27 January 2015 - 08:35 AM

A friend asked if I could help.  He has an Acer laptop that is running Windows 7 Home Premium.  He tells me he has been infected with Key logger Ransomware.
 
I know the virus needs to be cleaned and I have several options I am going to try.  What I am wondering is if I use the Acer Recovery program to return the computer to factory specifications, will that delete the Ransomware program.  I could ask it to save the pictures, music, documents, etc and once it has reformatted and returned to factory spec, I could see if any of the files can be unencrypted.  If they can't at least the Ransomeware would be gone.  He would still have the computer the way it was when he purchased it and the programs that Acer included would be there.
 
Does this sound like a viable way to take care of his problem.  I do know from what I've read that if the files are encrypted they can't be unencrypted and are lost.
 
Please advise.

Edit: Topic moved from Windows 7 to the more appropriate forum. ~ Animal

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#2 girlguru

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Posted 27 January 2015 - 09:21 AM

I have seen encrypted files on some recovery partitions.  I suggest you examine the recovery partition before you try to restore to factory default.  If you see encrypted files, install_tor, or any other evidence of tampering,  a factory restore may fail but will certainly waste your time.  A wipe and load will be the safest solution, but download the networking drivers (on a different computer) first.



#3 quietman7

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Posted 27 January 2015 - 01:40 PM

...He tells me he has been infected with Key logger Ransomware....

Never heard of that one. Are you sure he didn't mean KEYHolder?
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#4 RolandJS

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Posted 27 January 2015 - 01:43 PM

girlguru, are you indicating that viri and bad-ware can also be placed onto hidden [non-drive-lettered] partitions?  If so, is there a good way to monitor for tampering if not prevent such tampering with hidden partitions?  I have anti-CryptoLocker software installed as well as other alligators in my castle moat.


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