bsod dllregistry failed virus locked my pc

January 9, 2016 at 16:58:06
Specs: windows 10
I cant boot up my pc due to a bsod dllregistryfailed virus. How can I fix this without losing data? I opened my browser and a call microsoft pop up appeared with alarms and everything and would not go away. I tried a malware scan but when it rebooted my pc it opened on a blue screen that says it cant boot up correctly. nothing we tried gets us passed this screen. Is there a free system recovery program that will help me fix my pc without losing all my files?

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January 9, 2016 at 17:15:12
"Is there a free system recovery program that will help me fix my pc without losing all my files?"
There should be a way, give me 1/2 an hour to think about the best way.

Is a spare comp/PC available?

Safest way is to remove the infected drive & slave it to the good computer.
No need to bolt it in, just cable it up & rest it outside the case on some books. Naturally, if you have a HD enclosure, use that.

First step is to boot into Safe mode & run the AV on the infected drive.

Copy & Paste the contents of the scan log in your reply please.

If the above is not an option.

Run ESET Online Scanner, Copy and Paste the contents of the log in your reply please. This scan may take a very long while, so please be patient. Maybe start it before going to work or bed.
Make sure these options are checked/ticked in Advanced settings.
Remove found threats, Scan archives, Scan for potentially unsafe applications, Enable Anti-Stealth technology.
If your comp is unbootable, or won't let you download, you will have to download ESET from a good computer, put it on a flash/thumb/pen/usb drive & run it from there.
Create a ESET SysRescue CD or USB drive
How do I use my ESET SysRescue CD or USB flash drive to scan and clean my system?
Configure ESET this way & disable your AV.
How to Temporarily Disable your Anti-virus
3: Which web browsers are compatible with ESET Online Scanner?
Online Scanner not working
My ESET product detected a threat—what should I do?
Once onto a machine, malware can disable antivirus programs, prevent antimalware programs from downloading updates, or prevent a user from running antivirus scans or installing new antivirus software or malware removal tools. At this point even though you are aware the computer is infected, removal is very difficult.
5: Why does the ESET Online Scanner run slowly on my computer?
If you have other antivirus, antispyware or anti-malware programs running on your computer, they may intercept the scan being performed by the ESET Online Scanner and hinder performance. You may wish to disable the real-time protection components of your other security software before running the ESET Online Scanner. Remember to turn them back on after you are finished.
17: How can I view the log file from ESET Online Scanner?
The ESET Online Scanner saves a log file after running, which can be examined or sent in to ESET for further analysis. The path to the log file is "C:\Program Files\ESET\EsetOnlineScanner\log.txt" (on 64-bit systems this directory will be "C:\Program Files (x86)\ESET\Esetonlinescanner\log.txt"). You can view this file by navigating to the directory and double-clicking it in Windows Explorer, or by copying and pasting the path specification above (including the quotation marks) into the Start > Run dialog box from the Start Menu on the Desktop.
If no threats are found, you will simply see an information window that no threats were found.

message edited by Johnw

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January 9, 2016 at 17:59:49
With luck it will boot to a Live Linux distribution, which would allow you to get your files off:

These run between RAM and a CD or Flash Drive, so do not use or touch Windows. It would be necessary to select one you can use with Windows 10 (UEFI and all that).

PROCEED WITH JOHNW AS FIRST CHOICE - I overlapped with his added procedures.

Always pop back and let us know the outcome - thanks

message edited by Derek

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