Author Topic: Reminder - Importance of Backups  (Read 1912 times)

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WayOutWest

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Reminder - Importance of Backups
« on: April 20, 2015, 08:34:03 AM »
A woman I know contacted me for help with her computer and it turns out she was hit with a very nasty infection.

Something that seems to be gaining popularity with the criminals is variants of a thing called CryptoLocker (CryptoLocker 2.0, CryptoWall, etc).  What it does is encrypt documents, images, and a large variety of other files it finds (not only on your C: drive, but also your mapped drives - dropbox, attached storage such as thumb drives, network attached storage, etc) and makes them completely inaccessible to you. It then demands a ransom payment to get your data back, which can run as much as $500 (payable in bitcoin).

This is distributed through a variety of ways, with some of the most common ones being those fake emails that say things like: 'we were unable to deliver your USPS parcel', 'we were unable to deliver your UPS parcel', 'there was an error processing your card payment', etc.  However, it can also happen through malicious websites, malicious adverts, infected freeware and shareware, unsecured ports on your computer's internet connection, etc.

Dropbox can roll back the files you store on it, though it can be tedious unless you install a tool to automate the process, and if you're keeping shadow copies on your system, that can help as well. Better, though, is if you routinely make backups to either a service on the cloud or to something that doesn't stay connected to your system (such as DVDR discs).

If you search on the internet, you find that the number of people getting hit by these is huge, with systems being hit ranging from the household user to big corporations.

That woman's experience is a good reminder to all of us to be more diligent in making backups. And, of course, to be very careful about what you click on and what email attachments you open.



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Re: Reminder - Importance of Backups
« Reply #1 on: April 20, 2015, 08:56:59 AM »
Thanks for the reminder...heading to my dropbox now to make sure it's on auto.
That poor woman, I can't imagine how frustrated and angry she must've been.

Being the anal retentive one that I am....
I do have the same items auto-backed up on my OneDrive with msn and also auto-backed with Google Drive and will be hitting those today, too.

Guess we should make sure this site is pretty solid as far as back-ups, too...will check into that later today.

toobusyforswapmeets

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Re: Reminder - Importance of Backups
« Reply #2 on: April 20, 2015, 07:26:50 PM »
I have a 2TB drive that I connect, back up, and disconnect.  Slows my computer down when it wants to search that drive for something, but I've been lost before when suddenly the blue screen of death appears.  Nothing though as drastic as what you describe.  That has got to bite.

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Re: Reminder - Importance of Backups
« Reply #3 on: April 20, 2015, 08:08:06 PM »
Blue screen of death = Nightmare

WayOutWest

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Re: Reminder - Importance of Backups
« Reply #4 on: April 21, 2015, 04:53:24 AM »
I've read some more regarding instances of this ransomware and others have gotten it through emails saying that they owe tolls or have an unpaid speeding ticket.

Of course, when you think about it, the state isn't going to even know your email, much less send a notice like that via email, but I can see how people would panic and open the .exe attachment.

Regarding dropbox rolling back files to an earlier version (to undo encryption) - you have to do it one file at a time unless you load 3rd party software to do batches of dropbox files. The only 3rd party software I've come across so far runs under linux https://github.com/clark800/dropbox-restore

« Last Edit: April 21, 2015, 05:00:58 AM by WayOutWest »

  

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