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iastor.sys - blue screen of death - Windows 7 64-bit


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7 replies to this topic

#1 deano232

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Posted 25 January 2011 - 06:14 PM

Hey guys, I have an ACER ASPIRE 5739G running Windows 7 64-bit.

No changes were made on the laptop over the past 2 months, suddenly I started to encounter the "blue screen of death" once every few days, randomly when browsing the internet (no other software was running). It started to do this more frequently, within 1 hour of EVERY startup, I then performed a system restore and now the blue screen appears within 30 seconds of every startup, as well as Safe Mode.

The blue screen appears for 15 seconds, the laptop then restarts.

I have attached an image of the blue screen below:

Posted Image

I know the most obvious solution will be to re-format the hard drive, as the computer is rebooting within 30 seconds of each start up as well as safe mode.
Is there any way for me to browse the hard drive on the laptop without loading up the OS, to transfer to another laptop/external HD?

I have a couple of really vital documents (only 10mb worth), although the laptop reboots before I have the chance to transfer them to a USB stick.
If there was a way to transfer these files, I would be more than happy to re-format the laptop.

Thanks for any assistance!

-Dean

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#2 nqzdepofltr

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Posted 26 January 2011 - 07:06 AM

It looks like you are having a boot failure. I would recommend booting from your XP Disc (Call your manufacturer if you don't have one) and performing a repair install. None of your files will go away but if you are still having the problem, boot from a linux cd and copy your documents to a usb. And if it does work, scan for viruses right away.

#3 Allan

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Posted 26 January 2011 - 08:09 AM

You can slave the drive to another system to access the data (http://www.dtidata.com/resourcecenter/2007/04/23/how-to-slave-hard-drive/)

#4 Broni

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Posted 26 January 2011 - 03:49 PM

iastor.sys file is often a target of some infections (especially rootkits).

With the information you have provided I believe you will need help from the malware removal team. I would like you to start a new thread and post a DDS log HERE and include a link to this thread. Please make sure that you read the information about getting started before you start your thread.

It would be helpful if you post a note here once you have completed the steps in the guide and have started your topic in malware removal. Good luck and be patient. Help is on the way!

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#5 deano232

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Posted 26 January 2011 - 05:59 PM

Thanks for the replies!

I don't have any disks from Acer, something I will need to try and get.

What I have managed to do, is to load Ubuntu from a USB stick, allowing me to browse all of my files on the hard drive to back them up.

I am unable to provide a DDS log unfortunately, the system shows the blue screen and reboots within 15-30 seconds of the desktop loading.

Hopefully I can work out a way to resolve this without having to re-format!

Thanks

#6 Broni

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Posted 26 January 2011 - 06:05 PM

Malware people have tools to access your computer without booting to Windows.
I suggest, you start new topic in malware forum and you state your difficulties up front.

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#7 Jacee

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Posted 26 January 2011 - 06:10 PM

Take a look at this topic http://www.bleepingcomputer.com/forums/topic375660.html/page__st__15

Download a Linux Rescue Disk(s) that can be used to repair Windows
Read more: http://www.brighthub.com/computing/linux/articles/36767.aspx#ixzz1C5b7MAGD

I would also suggest that you download one of these too:
Avira AntiVir Rescue System
Kaspersky Rescue Disk

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#8 Budapest

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Posted 27 January 2011 - 05:35 PM

Malware topic here: http://www.bleepingcomputer.com/forums/topic376094.html

Now that your log is properly posted, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a Malware Removal Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the Malware Removal Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the Malware Removal Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the Malware Removal Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another MR Team member is already assisting you and not open the thread to respond.

To avoid confusion, I am closing this topic.
The power of accurate observation is commonly called cynicism by those who haven't got it.

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