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Snow white E-mail Message

By charles_r_conic ·
My computer at home is not allowing me to use windows. I got a strange e-mail that had a message about snow white and I think the Virus infected my machine. I spoke to Gateway and they told me that I needed to get virus Software to clean it. I bought Virus Scan, the problem is that it comes in a CD, Not on diskettes. When I turn my PC on in normal mode I cannot do anything because of all the error messages that come up. When I go into safe mode, I cannot access my CDRom drive. I wanted to re-install windows 98, but that also comes on a CDRom. Does anyone know what I can do next? Does anyone know where I can get virus software on a diskette? Is there a command that I can run from Dos that would correct enough files that I can use Windows98 in regular mode, so that I can run the virus software? Do I need to get another kind of Virus software, maybe Norton? CAN ANYONE HELP ME?

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Snow white E-mail Message

by Shanghai Sam In reply to Snow white E-mail Message

Boot your computer to dos mode, using the
F8 key to bypass windows, or if given the menu, select safemode command prompt only

once there, type CD windows, the CD command

type in scanreg /restore

follow the on screen menu, and restore the
last registry you had before the virus infected your computer ( they're dated )

Reboot, and let windows start, BUT DON'T LAUNCH ANY PROGRAMS EXCEPT to load your new virus scan from CD.

One caveat, please only do this if you to the
point where you are making a last ditch effort before reloading windows. :_)

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by charles_r_conic In reply to Snow white E-mail Message

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by Shanghai Sam In reply to Snow white E-mail Message

Virus scan should have a emergency repair disk with it that you can cold boot the machine from the floppy and run the virus scan from dos mode,at the command prompt type in SCAN.EXE
The other option would be to insert the system start up disk as the start up screen appears,hit F8 to boot into safe mode and choose the option to run with cd-rom support,at the command prompt type in the letter of the cd and see if you can load the virus scan,your only other option would be to reload the OS,at thestart up screen hit shift F4,this will give you command prompt,then type in FDISK /MBR

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Snow white E-mail Message

by charles_r_conic In reply to Snow white E-mail Message

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by Shanghai Sam In reply to Snow white E-mail Message

While your immediate problem is the W32.hybris virus, a more generic solution to the problem of accessing the CD-ROM will come in handy later, when something else fails (and it will). Windows removes the 16-bit CD-ROM support on installation and replaces it with it's own 32-bit file system; what you need is a way to restore the CD function whenever Windows can't properly load. Here's how:

Your Emergency repair or Startup disk should have a file called MSCDEX.EXE on it. In Safe Mode, copy it to your hard drive. There are also a couple of generic IDE CD-ROM drivers, btcdrom.sys & oakcdrom.sys. Copy these, as well. Next you'll want to make copies of Config.sys and Autoexec.sys - I usually use a bak extension for this. Now to make some changes:

Edit C:\Config.sys to add the lines:

device=<path>\oakcdrom.sys /d:mscd001
device=<path>\btcdrom.sys /d:mscd001

then save the file. Next, edit C:\Autoexec.bat and add the line:

<path>\MSCDEX.EXE /d:mscd001

and save the file. In both cases the <path> refers to the location of the files you copied from the floppy disk.

The net effect of these changes is to install basic CD-ROM function without Windows loading completely. Reboot to Safe Mode again and verify thatyou can read the CD-ROM. If not, you may have to locate a specific driver for your drive, but in most cases this will get you up and running. If it works, install and run your AV software and restore your system by whatever means you must.

Lastly, after Windows is working properly, go back into the config.sys and Autoexec.bat files and comment out the changes. Next time something happens to your system you can quickly restore the CD-ROM by removing the comments and rebooting.

I hope this is helpful. For details, see article Q190303 in the Microsoft Knowledge Base.

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Snow white E-mail Message

by charles_r_conic In reply to Snow white E-mail Message

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by jfjester In reply to Snow white E-mail Message

Your cd rom should be recognised in your bios to load, if you have a cd in it should try to boot from there.
Norton makes a system recovery option that will allow it to boot.
if not then you can use the option of booting from a clean boot disk and then running the software.

P.S. I'm trying to track currently the snow white sender, we receive about 200 emails per day as my work and I have tracked the ip but not been successful with getting a response back other than it has been forwarded to our technical department.
if you look at the bottom of all email it will give the ip address from which it was sent.

Hope this helps.

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by charles_r_conic In reply to Snow white E-mail Message

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by charles_r_conic In reply to Snow white E-mail Message

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