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Pretty Severe Infection...

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#1 Moonset


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Posted 17 September 2008 - 02:16 AM

After having a hard drive failure, I just got my computer back today and while installing all of the programs/features I usually have on my computer I was careless and stumbled upon a download that has essentially ruined my computer. After clicking the link, the file extracted multiple .exe files and my computer bluescreened. After restarting, it worked for a few hours before freezing, forcing a hard restart. After restarting and logging back in, the computer immediately bluescreened again. It's bluescreened twice since then (this has all been within the past two hours) and now I can't even look up combofix, CCleaner, or anything of the sort. I've used combofix on the computer I'm using now (different from my previous one) and tried to send the .exe from this computer to the other one, but even after moving it to the other computer, the program freezes before the "command prompt" screen even appears.

I'm growing increasingly irritated because I just got the computer back today (and I'm usually incredibly careful about what I do on the internet) and at this point I can't even use a search engine (all links from google default to random unrelated pages, and trying to visit bleepingcomputer.com by directly inputting the address into the address bar yields a "cannot connect to server" error from Firefox.

Another issue is that my computer isn't giving me the option to run from Safe Mode and is instead going directly into XP, despite being shut down suddenly numerous times. I also keep getting a Windows Installer showing up upon logging in, though I'm fairly certain I don't have anything to install.

Note: I just restarted my computer, and Windows has finally decided to run a disc check by itself. Sadly, it found no problems.

Note 2: I'm running Windows XP Professional SP2.

Edited by Moonset, 17 September 2008 - 02:19 AM.

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#2 Budapest


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Posted 17 September 2008 - 02:21 AM

Seeing as though it was a fresh install anyway I would probably just format and reinstall windows. But if you don't want to do that try this scan. You can download it from a working computer and then transfer it over to the problem machine.

Before we start fixing anything you should print out these instructions or copy them to a NotePad file so they will be accessible. Some steps will require you to disconnect from the Internet or use Safe Mode and you will not have access to this page.

Please download DrWeb-CureIt and 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 start the program.
  • Cancel any prompts to download the latest CureIt version and click Start.
  • At the prompt to "Start scan now", click Ok. Allow the setup.exe/driver 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 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)

The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 Moonset

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Posted 17 September 2008 - 02:44 AM

Thanks for the fast reply. I'm running the complete scan right now, but the initial scan did find 2 BackDoor attacks and 2 trojans. I'll list the infected files and their "status" in the scanner until it completes the full scan:

Object: - Status

ovc86.sys - BackDoor.Bulknet.232
pwe42.sys - BackDoor.Bulknet.232
gebqonno.dll - Trojan.Virtumod.448
lphcam9j0ercp.exe - Trojan.Packed.636

So far the Complete Scan shows that ComboFix was attacked by whatever the hell is on my computer (exe is infected as well as a related folder).

Edit: I'm typing this from a different computer so don't worry that I'm trying to use the web and everything while performing the scan.

Edited by Moonset, 17 September 2008 - 02:46 AM.

#4 Moonset

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Posted 17 September 2008 - 10:48 AM

I think we can close this. The computer froze during restart and has essentially broken down since that point. Right now it doesn't even recognize the hard disks (I can't even re-image the computer) so I guess I should just bring it in for another HDD.

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