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Some fake anti-virus programs ruining computer


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#1 Jfriesen

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Posted 25 August 2009 - 10:36 PM

So my folks computer needs help and apparently I'm the guy to fix it. It is running Windows XP. The first thing I saw when I logged on was two anti-virus applications but they are apparently fake. One is PC Anti-Virus 2010. The other Total Security. They are cutting off the use of any internet browsers on the computer (I transferred files to it with a DVD). So of course I used both guides on this site to try removing them. Since the guides are the same only with the added step on the Total Security one of killing the process, I used Process Explorer first. I couldn't find the tsc.exe process mentioned in the guide though, so what I did was use the Process Explorer's little feature where it tells you what process the program is when you click the window. Using that it told me what process the Total Security window was. I killed that and ran Malware Bytes which picked up many things, a lot of trojans and worms in addition to the Rogue programs the guides told me to expect.

On reboot I found that Total Security was gone but PC Anti-Virus 2010 lived on. So what I did was boot into safe mode and this time ran a "full scan" (as opposed to the quick scan's the guides made me run). It seemed to delete everything just fine, so I booted into regular mode again, and voila, it seemed to be gone. But alas, my browsers still wouldn't let me use the internet (although the internet is active, Steam was connected and the wireless network is fine). Just then Windows Defender popped up that there was a Trojan Downloader (although I can't recall the name). It warned me that it was downloading other files so I hit delete. I restarted and PC Anti Virus 2010 was back again. I assume the trojan redownloaded it. So that brings me to this point. There is another issue I didn't mention, and that is that Services.exe would give me an error (again I can't recall the exact error code), but when I would hit OK it would start a 60 second shut down. So now I am stuck with no working browser, computer shutting down whenever I would 'OK' the error with services.exe, Windows Defender put out of commission (Application failed to initialize), PC Anti-Virus 2010, and for the icing on the cake, the computer just started randomly shutting down, giving me a blue screen (A problem has been detected and Windows has been shut down to prevent damage to your computer).

At the bottom of the blue screen it reads:

Technical information:
*** STOP: 0x0000008E (0xC0000018, 0x8053A7FA, 0xF793E8E4, 0x00000000)

I'm sorry so many of the errors are non-specific but I can't get anywhere now because of the blue screen.

Thank you for any help you can give.

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#2 Jfriesen

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Posted 26 August 2009 - 06:16 PM

Gonna give this a bump, my parents have some important budget files and work contacts they need asap, they weren't aware that important files should be backed up...and I can't get to any of it because of the blue screen.

#3 Computer Pro

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Posted 26 August 2009 - 06:38 PM

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Please download Dr. Web the free version & save it to your desktop. DO NOT perform a scan yet.

Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Scan with Dr. Web Cureit as follows:
Double-click on launch.exe to open the program and click Start. (There is no need to update if you just downloaded the most current version
Read the Virus check by DrWeb scanner prompt and click Ok where asked to Start scan now? Allow the setup.exe to load if asked by any of your security programs.
The Express scan will automatically begin.
(This is a short scan of files currently running in memory, boot sectors, and targeted folders).
If prompted to dowload the Full version Free Trial, ignore and click the X to close the window.
If an infected object is found, you will be prompted to move anything that cannot be cured. Click Yes to All.
When complete, click Select All, then choose Cure > Move incurable.
(This will move any detected files to the C:\Documents and Settings\userprofile\DoctorWeb\Quarantine folder if they can't be cured)
Now put a check next to Complete scan to scan all local disks and removable media.
In the top menu, click Settings > Change settings, and UNcheck "Heuristic analysis" under the "Scanning" tab, then click Ok.
Back at the main window, click the green arrow "Start Scanning" button on the right under the Dr.Web logo.
When the scan is complete, a message will be displayed at the bottom indicating if any viruses were found.
Click "Yes to all" if asked to cure or move the file(s) and select "Move incurable".
In the top menu, click file and choose save report list.
Save the DrWeb.csv report to your desktop.
Exit Dr.Web Cureit when done.
Important! Reboot your computer because it could be possible that files in use will be moved/deleted during reboot.
After reboot, post the contents of the log from Dr.Web in your next reply. (You can use Notepad to open the DrWeb.cvs report)
Computer Pro

#4 Jfriesen

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Posted 26 August 2009 - 09:29 PM

Ok I think the computer is gone. I'm going to post everything I did.

On a USB drive I put CureIt (4gfqjkp8.exe) and put it on the desktop. Update didn't work (internet browser wouldn't connect to get launch.exe). I ran the Quick Scan and it completed. Deleted all the files, then moved onto Full Scan, turning off heuristic analysis. Halfway through that scan it crashed with a memory error of some sort, so I rebooted. Upon reboot I couldn't start the scan again because the Blue Screen of Death. So I booted into regular mode and ran chkdsk /r. It said it wouldn't work because of a process using it so I needed to reboot. Upon reboot I was greeted with

Windows could not start because the following file is missing or corrupt:
<Windows root>\system32\hal.dll
Please re-install a copy of the above file.

I can't get beyond this error. I think the computer is beyond help or I did something to make it worse.

Edited by Jfriesen, 26 August 2009 - 09:31 PM.


#5 DaChew

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Posted 26 August 2009 - 09:50 PM

http://www.bleepingcomputer.com/forums/ind...t&p=1398673

See this post on using Knoppix to recovery the data
Chewy

No. Try not. Do... or do not. There is no try.

#6 Jfriesen

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Posted 27 August 2009 - 02:26 AM

http://www.bleepingcomputer.com/forums/ind...t&p=1398673

See this post on using Knoppix to recovery the data


Was it the chkdsk that caused it? I can't believe how badly I have ruined the computer. It only had a few viruses on it. How did I manage to ruin it so horribly? I feel awful. I hope I can somehow save all my parents saved emails.

Edited by Jfriesen, 27 August 2009 - 02:27 AM.


#7 DaChew

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Posted 27 August 2009 - 07:06 AM

Those 2 infections may have been updated into really dangerous ones, it's impossible to tell what broke windows.
Chewy

No. Try not. Do... or do not. There is no try.




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