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Windows 7: windows and ubuntu won't boot after bsod, possible virus

30 Dec 2014   #1
exeviss

Windows 7 Professional 64 bit
 
 
windows and ubuntu won't boot after bsod, possible virus

I was browsing the internet and found this site

Hexen wads - Doomworld Forumshexen-wads/

when I used my mouse wheel to scroll down the page I noticed the screen lagging before completely freezing. I hit restart only to be greeted by a blue screen. I have a dual boot system with windows 7 and ubuntu 14.04. I can get into grub but I cant boot windows or linux now. Just windows in safe mode which gives me hope. I also checked for restore points but there aren't any. I thought they were automatic. I'm really worried so I'm going to post this now before I go to bed. I'll get any additional details you guys need in the morning. I just hope I dont have to move all my files in safemode to an external hdd and reinstall everything from scratch.


My System SpecsSystem Spec
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30 Dec 2014   #2
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

exevass mate have you looked for restore points from further back see my pic to see how to get them.

You need to go to Contro Panel > Back up and Restore and open system restore and when you get to the screen in the pic tick it and Enter / OK
My System SpecsSystem Spec
30 Dec 2014   #3
exeviss

Windows 7 Professional 64 bit
 
 

I don't have the option available to show more restore points. Mine doesn't even show a single point.

edit: Here's the debug file requested in the BSOD posting instructions.

edit #2: Apparently I have a trojan called vbcrypt. It just showed up in an avg scan.
My System SpecsSystem Spec
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30 Dec 2014   #4
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Leo I haven't set up debugging stuff yet sop cannot comment yet but the system which would be nice to have in System specs bottom left makes life a lot easier for us.

Having said that I can see from some of the info you sent the system is a pretty good set up and why you have got this option is strange being a system feature.

Though I did not have a restore et up point on this machine until I set one to go . Restore Backup User and System Files

Now you could run these for starters
http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html
http://www.sevenforums.com/tutorials/433-disk-check.html < if necessary include the /f and /r in the command line as per Option2
My System SpecsSystem Spec
30 Dec 2014   #5
exeviss

Windows 7 Professional 64 bit
 
 

I think vbcrypt is causing the problem. Do you have any advice on dealing with it?
My System SpecsSystem Spec
30 Dec 2014   #6
mdd1963

Windows 7 Home Premium 64 bit
 
 

My System SpecsSystem Spec
30 Dec 2014   #7
exeviss

Windows 7 Professional 64 bit
 
 

Are you sure this is the correct course of action? It makes no mention of not being able to boot unless in safe mode.
My System SpecsSystem Spec
31 Dec 2014   #8
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Another option is running this you will of course need to burn the bootable disk but it does the scan without involving a Windows boot up. Plus it scans EVERYTHING
Download Kaspersky Rescue Disk 10 I have used this quite a few times on badly infected machines and all bar one has done the trick.

These two are also good
Emsisoft Free Emergency Kit: Portable malware scanner | Free removal of Viruses, Bots, Spyware, Keyloggers and Trojans
AdwCleaner Download < download from bleepingcomputer
My System SpecsSystem Spec
01 Jan 2015   #9
cottonball

Windows 7 Home Premium
 
 

Just my opinion, and I am just writing my thoughts, but, it does not appear as if the system is infected. Another thread was started in System Security:
vbcrypt trojan, can't boot windows 7 or linux

Not sure what a Rescue disk would do. I would be hesitant to use it at this point.

The dual boot pc boots into W7 Safe Mode, but not to Ubuntu.

Would first try to get the PC to boot into Windows 7...perhaps there is something scrambled in the Safe Mode Boot code.

Presume that Windows 7 was installed on the PC, and Ubuntu was added later, however, if I understand correctly, the Windows 7 partition was not resized, and Ubuntu was installed on a separate drive. If this is not the case, please correct!

IMO, whatever is wrong has to be looked at by someone who has knowledge of dual booting Windows 7 and the Ubuntu grub, etc...
My System SpecsSystem Spec
01 Jan 2015   #10
exeviss

Windows 7 Professional 64 bit
 
 

Your correct I installed ubuntu after windows on a separate HDD. Maybe the problem is from the improper shutdown? Whenever I boot into safe mode it says recovered from an improper shutdown. My computer completely froze so I thought restarting it would be the correct course of action. AVG did find vbcrypt in safe mode though.

Edit: Ok I'm pretty sure this problem is related to the improper shutdown. I'll post the dump file if necessary. I looked at the Event Viewer, I wouldn't know how to spot any suspicious stuff in there but There were critical errors relating to improper shutdown.

vbcrypt definitely popped up in that AVG scan I ran a while back but I don't know if that trojan could cause problems like this. Should I try to run FRST from safe made to see if it makes any difference?
My System SpecsSystem Spec
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