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Windows 7: Virus preventing login?

21 Oct 2010   #1
atomicpanda

Windows 7 Home Premium 64 bit
 
 
Virus preventing login?

It seems like a virus is preventing me from logging on to my computer. The computer starts just fine but upon turning on, the screen is just blank. I cannot access safe mode either. Just before I discovered this problem I had done a partial scan of my computer with MalwareBytes and removed the viruses I found. Upon this, I was asked to restart the computer. Please help! Thank you.


My System SpecsSystem Spec
.
21 Oct 2010   #2
Lemur

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

You might have to boot from your operating system disk and run a repair. The virus could have affected the mbr.
My System SpecsSystem Spec
21 Oct 2010   #3
karlsnooks

MS Windows 7 Ultimate SP1 64-bit
 
 

Quote   Quote: Originally Posted by atomicpanda View Post
It seems like a virus is preventing me from logging on to my computer. The computer starts just fine but upon turning on, the screen is just blank. I cannot access safe mode either. Just before I discovered this problem I had done a partial scan of my computer with MalwareBytes and removed the viruses I found. Upon this, I was asked to restart the computer. Please help! Thank you.
Welcome to Sevenforums.

Please download, read and follow these tutorials.
System Recovery Options
Startup Repair
My System SpecsSystem Spec
.

21 Oct 2010   #4
atomicpanda

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by karlsnooks View Post
Quote   Quote: Originally Posted by atomicpanda View Post
It seems like a virus is preventing me from logging on to my computer. The computer starts just fine but upon turning on, the screen is just blank. I cannot access safe mode either. Just before I discovered this problem I had done a partial scan of my computer with MalwareBytes and removed the viruses I found. Upon this, I was asked to restart the computer. Please help! Thank you.
Welcome to Sevenforums.

Please download, read and follow these tutorials.
System Recovery Options
Startup Repair
I followed both tutorials and Startup Repair claimed that nothing was wrong. I restarted the computer and it still will not login. Any other ideas? Thanks.
My System SpecsSystem Spec
21 Oct 2010   #5
gregrocker

 

Run a bootable AV to see if it finds anything, which will tell you if this is the prob: FREE Bootable AntiVirus Rescue CDs Download List

Make sure Win7 partition is marked Active before running Startup Repair up to 3 separate times with reboots.
Partition - Mark as Active
Startup Repair - Run 3 Separate Times

In the Mark Partition Active tutorial, you can Select Partition on the 100mb and Win7 partitions, then type Detail Partition to see which is now marked Active.

You can also copy out your files using the Repair CD: Copy & Paste - in Windows Recovery Console
My System SpecsSystem Spec
21 Oct 2010   #6
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

Flush your DNS cache and restore MS's original Hosts file

Copy and paste these lines in Note pad.
@Echo on
pushd\windows\system32\drivers\etc
attrib -h -s -r hosts
echo 127.0.0.1 localhost>HOSTS
attrib +r +h +s hosts
popd
ipconfig /release
ipconfig /renew
ipconfig /flushdns
netsh winsock reset all
netsh int ip reset all
shutdown -r -t 1
del %0

Save as flush.bat to your desktop.

Right click and run as Administrator, your computer will reboot itself.

If that doesn't work, then download one of these anti-virus rescue disks ISO, using a clean computer
13 Antivirus Rescue CDs Software Compared in Search For the Best Rescue Disk | Raymond.CC Blog
Burn the ISO (at a slow speed) to CD using The Official ImgBurn Website
My System SpecsSystem Spec
21 Oct 2010   #7
atomicpanda

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Run a bootable AV to see if it finds anything, which will tell you if this is the prob: FREE Bootable AntiVirus Rescue CDs Download List

Make sure Win7 partition is marked Active before running Startup Repair up to 3 separate times with reboots.
Partition - Mark as Active
Startup Repair - Run 3 Separate Times

In the Mark Partition Active tutorial, you can Select Partition on the 100mb and Win7 partitions, then type Detail Partition to see which is now marked Active.

You can also copy out your files using the Repair CD: Copy & Paste - in Windows Recovery Console
Do I save the bootable AV to a CD or flashdrive?
My System SpecsSystem Spec
21 Oct 2010   #8
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

You have to download the ISO and make a Bootable CD ... look at my post above
My System SpecsSystem Spec
21 Oct 2010   #9
atomicpanda

Windows 7 Home Premium 64 bit
 
 

Ah! Thank you!
My System SpecsSystem Spec
21 Oct 2010   #10
atomicpanda

Windows 7 Home Premium 64 bit
 
 

Which one would you recommend?
My System SpecsSystem Spec
Reply

 Virus preventing login?




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