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"Checking file system on C: " and Freezing on start up


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#1 ChauBaoLe

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Posted 10 November 2010 - 09:18 AM

Hi My name is Chau,

I'm having some problems and I'm not too sure exactly what's wrong or if it's a virus or malware.

I'm running Windows7
ASUS Laptop
Intel Core i7 processor


Problem

I'm not sure if a virus has caused this, but lately, every time I turn on my computer it goes to a black screen with the message:

"Checking file system on C:
the type of file system is NTFS
Volume label is OS
One of your discs needs to be checked for consistency.."

Where it says it is highly recommended but gives the option to skip.

Half of the time whether or not I let the check run, generally within the first 5 minutes of logging in, windows will freeze completely during or after loading all the start up progams, and all I can do is a manual forced shutdown.

I can't be too sure, but it seems like the freezing issue has become less persistant than when it first started. I noticed my computer would always freeze the first couple of times I tried to start it and now it only freezes occasionally. But I am still getting the "checking file system" message.


Information / Suspected Cause

I installed Dropbox and AVG Free around the exact time the problem started. I was previously using the Trend Micro Internet Security and Windows Defender for protection (I used Trend to scan the .exe files for Dropbox and AVG before running them) as my Trend subscription was ending and I was looking for a free alternative with AVG)

I had also previously upgraded my msn to the latest Windows Live Messenger which was crashing (the msn application alone) almost every couple of minutes consistently for a few weeks before that problem disappeared. I'm not sure if this may have contributed to the issue but I thought I would note it.


What I've Tried

After the problem started I did one last scan with Trend Micro, which returned nothing.
A scan in Windows Defender also returned nothing.

AVG Free crashed the first time I tried to run it and I uninstalled it soon after that.

I completed a Disk Check in Safe Mode also following some advice online (from Command Prompt typing "chk dsk /r /f" which scheduled it for my next restart)


Thanks in advance for your time and help!

Edited by ChauBaoLe, 10 November 2010 - 09:20 AM.


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#2 quietman7

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Posted 10 November 2010 - 09:56 AM

When doing a Google Search for Checking file system on C...one of your disks needs to be checked for consistency, it appears to be a common complaint so its probably not malware related . I suggest you begin by reading through some of those discussion links or start a new topic in the Operating Systems Subforums forum.

Did you uninstall Trend Micro Internet Security before installing and using AVG? Using more than one anti-virus program is not advisable. Why? The primary concern with doing so is due to conflicts that can arise when they are running in real-time mode simultaneously and issues with Windows resource management. Even when one of them is disabled for use as a stand-alone scanner, it can affect the other and cause conflicts. Anti-virus software components insert themselves into the operating systems core and using more than one can cause instability, crash your computer, slow performance and waste system resources. When actively running in the background while connected to the Internet, they both may try to update their definition databases at the same time. As the programs compete for resources required to download the necessary files this often can result in sluggish system performance or unresponsive behavior.

Each anti-virus may interpret the activity of the other as suspicious behavior and there is a greater chance of them alerting you to a "False Positive". If one finds a virus or a suspicious file and then the other also finds the same, both programs will be competing over exclusive rights on dealing with that virus or suspicious file. Each anti-virus may attempt to remove the offending file and quarantine it at the same time resulting in a resource management issue as to which program gets permission to act first. If one anit-virus finds and quarantines the file before the other one does, then you encounter the problem of both wanting to scan each other's zipped or archived files and each reporting the other's quarantined contents. This can lead to a repetitive cycle of endless alerts that continually warn you that a threat has been found when that is not the case.

Anti-virus scanners use virus definitions to check for malware and these can include a fragment of the virus code which may be recognized by other anti-virus programs as the virus itself. Because of this, most anti-virus programs encrypt their definitions so that they do not trigger a false alarm when scanned by other security programs. Other vendors do not encrypt their definitions and they can trigger false alarms when detected by the resident anti-virus. Further, dual installation is not always possible because most of the newer anti-virus programs will detect the presence of others and may insist they be removed prior to download and installation of another. If the installation does complete with another anti-virus already installed, you may encounter issues like system freezing, unresponsiveness or similar symptoms while trying to use it.

To avoid these problems, use only one anti-virus solution.

Anti-virus vendors recommend that you install and run only one anti-virus program at a timeYou can always supplement your anti-virus by performing an Online Virus Scan.

If you are looking for a free alternative to replace your existing anti-virus there are several to choose from besides AVG which has been causing a lot of issues with the new version released:
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#3 ChauBaoLe

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Posted 10 November 2010 - 10:37 AM

Hi,

Thanks a lot for your reply and for the list of AV recommendations.

I was worried it was a virus as it was still crashing after I removed one of the anti-virus but I will take a look through the Forum you mentioned.

Thanks again for your help.


Chau

#4 quietman7

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Posted 10 November 2010 - 10:54 AM

Crashes (BSOD), unexpected shutdowns, sudden freezing, random restarting, and booting problems could be symptomatic of a variety of things to include hardware/software issues, overheating caused by a failed processor fan, bad memory (RAM), failing or underpowered power supply, CPU overheating, motherboard, video card, faulty or unsigned device drivers, CMOS battery going bad, BIOS and firmware problems, dirty hardware components, programs hanging or unresponsive in the background, and sometimes malware. Even legitimate programs like CD Emulators (Daemon Tools, Alchohol 120%, Astroburn, AnyDVD) can trigger crashes, various stop error messages and system hangs so you may or may not be dealing with multiple issues. We can do some checks for malware here.

Please download Malwarebytes Anti-Malware and follow these instructions for doing a Quick Scan in normal mode.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
-- If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.

-- Some types of malware will target Malwarebytes Anti-Malware and other security tools to keep them from running properly. If that's the case, please refer to the suggestions provided in For those having trouble running Malwarebytes Anti-Malware as you may need to rename it or use RKill by Grinler


Please download Norman Malware Cleaner and save to your desktop.
alternate download link
Note: If you previously used Norman, delete that version and download it again as the tool is frequently updated!
  • Be sure to read all the information Norman provides on that same page.
  • Double-click on Norman_Malware_Cleaner.exe to start. Vista/Windows 7 users right-click and select Run As Administrator.
    The tool is very slow to load as it uses a special driver. This is normal so please be patient.
  • Read the End User License Agreement and click the Accept button to open the scanning window.
  • Click Start Scan to begin.
  • In some cases Norman Malware Cleaner may require that you restart the computer to completely remove an infection. If prompted, reboot to ensure that all infections are removed.
  • After the scan has finished, a log file a log file named NFix_date_time (i.e. NFix_2009-06-22_07-08-56.log) will be created on your desktop with the results.
  • Copy and paste the contents of that file in your next reply.
-- Note: If you need to scan usb flash drives and/or other removable drives, use the Add button to browse to the drives location, click on the drive to highlight and choose Ok.
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#5 ChauBaoLe

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Posted 11 November 2010 - 09:09 AM

Thanks again for your reply,

I'm not too sure, but the scans seemed to go alright. Scanning with MalwareBytes however asked for a restart on completion so I clicked okay, after logging off however it gave me a Blue Screen.

__Here's the log for the MalwareBytes__

Malwarebytes' Anti-Malware 1.46
www.malwarebytes.org

Database version: 5089

Windows 6.1.7600
Internet Explorer 8.0.7600.16385

11/11/2010 7:51:21 AM
mbam-log-2010-11-11 (07-51-21).txt

Scan type: Full scan (C:\|D:\|Q:\|)
Objects scanned: 460822
Time elapsed: 1 hour(s), 21 minute(s), 36 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Installation files\CS4LicenseFix_tk\CS4LicenseFix\adobe-master-cs4pre-keygen.exe (Trojan.Agent.CK) -> Quarantined and deleted successfully.




--------------------------------------------------------

__Here's the log for Norman Malware Cleaner__

Norman Malware Cleaner
Version 1.8.3
Copyright 1990 - 2010, Norman ASA. Built 2010/11/11 00:28:38

Norman Scanner Engine Version: 6.06.07
Nvcbin.def Version: 6.06.00, Date: 2010/11/11 00:28:38, Variants: 8008004

Scan started: 2010/11/11 18:16:47

Running pre-scan cleanup routine:
Operating System: Microsoft Windows 7 6.1.7600
Logged on user: chaule\Sarah


Scanning kernel...

Kernel scan complete



Scanning running processes and process memory...

Number of processes/threads found: 2324
Number of processes/threads scanned: 2324
Number of processes/threads not scanned: 0
Number of infected processes/threads terminated: 0
Total scanning time: 1m 24s


Scanning file system...

Scanning: prescan

Scanning: C:\*.*

C:\Installation files\bsplayer256.1043_clip.exe/noname.nsis/file302/content/ctoolbar.js (Error whilst scanning file: I/O Error (0x00220005))

C:\Installation files\HoNClient-1.0.10.exe/noname.nsis/file10/D3DCompiler_40.dll (Error whilst scanning file: I/O Error (0x00220005))

C:\Installation files\HoNClient-1.0.10.exe/noname.nsis/file14/ddraw.dll (Error whilst scanning file: I/O Error (0x00220005))

C:\System Volume Information\{38088~1 (Error opening file: Access denied)

C:\System Volume Information\{558FF~1 (Error opening file: Access denied)

C:\System Volume Information\{558FF~2 (Error opening file: Access denied)

C:\System Volume Information\{558FF~3 (Error opening file: Access denied)

C:\System Volume Information\{594EF~1 (Error opening file: Access denied)

C:\System Volume Information\{852EB~1 (Error opening file: Access denied)

C:\System Volume Information\{852EB~2 (Error opening file: Access denied)

C:\System Volume Information\{922BB~1 (Error opening file: Access denied)

C:\System Volume Information\{B06D9~1 (Error opening file: Access denied)

C:\System Volume Information\{F3768~1 (Error opening file: Access denied)

C:\Users\Sarah\AppData\Local\Microsoft\Windows Live Mail\Hotmail (gi 81a\Inbox\05500AFE-00000787.eml/Altium Designer 6.x Crack.doc/Altium Designer 6.x Crack.exe (Infected with W32/Suspicious_Gen2.DIGX)
Deleted file

C:\Users\Sarah\Music\iTunes\iTunes Media\Music\C.N.BLUE\The Way\01 The Way ~One Time~.mp3 (Error opening file: Not found)

C:\Users\Sarah\Music\iTunes\iTunes Media\Music\C.N.BLUE\The Way\02 The Way part 2 ~Ready N Go~.mp3 (Error opening file: Not found)

C:\Users\Sarah\Music\iTunes\iTunes Media\Music\C.N.BLUE\The Way\03 The Way part 3 ~eclipse~.mp3 (Error opening file: Not found)

C:\Users\Sarah\Music\iTunes\iTunes Media\Music\C.N.BLUE\The Way\04 The Way ~One Time~ (Instrumental).mp3 (Error opening file: Not found)

Scanning: D:\*.*

D:\Music\Winter Play - Touche Mon Amour\01 Songs Of Colored Love .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\02 Your Eyes .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\04 Moon Over Bourbon Street .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\05 Hey Bob (Rejazzed) .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\06 June Ballad .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\07 Those Darn Feelings .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\08 I Need To Be In Love .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\10 Don't Know Why .mp3 (Error opening file: Not found)

D:\Music\Winter Play - Touche Mon Amour\13 Blue Without You .mp3 (Error opening file: Not found)

Scanning: Q:\*.*

Scanning: postscan


Running post-scan cleanup routine:

Number of files found: 870290
Number of archives unpacked: 12700
Number of files scanned: 870192
Number of files not scanned: 98
Number of files skipped due to exclude list: 0
Number of infected files found: 1
Number of infected files repaired/deleted: 1
Number of infections removed: 1
Total scanning time: 3h 40m 39s


---------------------------------------------


Thanks again for your help!

#6 quietman7

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Posted 11 November 2010 - 10:16 AM

Did the BSOD provide a Stop Error Messages or identify a driver (.sys file) as shown in this example?

Please perform a scan with Eset Online Anti-virus Scanner.
  • This scan requires Internet Explorer to work. If using a different browser, you will be given the option to download and use the ESET Smart Installer.
  • Vista/Windows 7 users need to run Internet Explorer as Administrator. To do this, right-click on the IE icon in the Start Menu or Quick Launch Bar on the Taskbar and select Run As Administrator from the context menu.
  • Click the green Posted Image button.
  • Read the End User License Agreement and check the box:
  • Check Posted Image.
  • Click the Posted Image button.
  • Accept any security warnings from your browser.
  • Check Posted Image
  • Check Remove found threats and Scan potentially unwanted applications. (If given the option, choose "Quarantine" instead of delete.)
  • Click the Start button.
  • ESET will then download updates for itself, install itself, and begin scanning your computer.
  • If offered the option to get information or buy software at any point, just close the window.
  • The scan will take a while so be patient and do NOT use the computer while the scan is running. Keep all other programs and windows closed.
  • When the scan completes, push Posted Image
  • Push Posted Image, and save the file to your desktop as ESETScan.txt.
  • Push the Posted Image button, then Finish.
  • Copy and paste the contents of ESETScan.txt in your next reply.
Note: A log.txt file will also be created and automatically saved in the C:\Program Files\EsetOnlineScanner\ folder.
If you did not save the ESETScan log, click Posted Image > Run..., then type or copy and paste everything in the code box below into the Open dialogue box:

C:\Program Files\ESET\EsetOnlineScanner\log.txt
  • Click Ok and the scan results will open in Notepad.
  • Copy and paste the contents of log.txt in your next reply.
-- Some online scanners will detect existing anti-virus software and refuse to cooperate. You may have to disable the real-time protection components of your existing anti-virus and try running the scan again. If you do this, remember to turn them back on after you are finished.

IMPORTANT NOTE: Your scan log results indicate you are using keygens/crack tools.

The practice of using cracking tools, keygens, warez or any pirated software is not only considered illegal activity but it is a serious security risk.

Cracking applications are used for illegally breaking (cracking) various copy-protection and registration techniques used in commercial software. These programs may be distributed via Web sites, Usenet, and P2P networks.

trendmicro.com/vinfo

...warez and crack web pages are being used by cybercriminals as download sites for malware related to VIRUT and VIRUX. Searches for serial numbers, cracks, and even antivirus products like Trend Micro yield malcodes that come in the form of executables or self-extracting files...quick links in these sites also lead to malicious files. Ads and banners are also infection vectors...

Keygen and Crack Sites Distribute VIRUX and FakeAV

...warez/piracy sites ranked the highest in downloading spyware...just opening the web page usually sets off an exploit, never mind actually downloading anything. And by the time the malware is finished downloading, often the machine is trashed and rendered useless.

University of Washington spyware study

...One of the most aggressive and intrusive of all bad websites on the Internet are serial, warez, software cracking type sites...they sneak malware onto your system...Where do trojan viruses originate? One of the biggest malware distributors on the Internet are serial/warez/code cracking sites.

Bad Web Sites: Malware

When you use these kind of programs, be forewarned that some of the worst types of malware infections can be contracted and spread by visiting crack, keygen, warez and other pirated software sites. In many cases, those sites are infested with a smörgåsbord of malware and an increasing source of system infection. Those who attempt to get software for free can end up with a computer system so badly damaged that recovery is not possible and it cannot be repaired. When that happens there is nothing you can do besides reformatting and reinstalling the OS.

I strongly recommend that you remove all cracks and keygens immediately to reduce the risk of infection/reinfection. If not, then we are just wasting time trying to clean your system. Further, other tools used during the disinfection process may detect crack and keygens so we need to ensure they have been removed.

Using these types of programs or the websites you visited to get them is almost a guaranteed way to get yourself infected!!

Edited by quietman7, 11 November 2010 - 10:19 AM.

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#7 ChauBaoLe

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Posted 12 November 2010 - 08:48 AM

Hi,

Thank you very much for your help! After the first two Malware cleaners, my computer has no longer been experiencing any of the problems.

I will be finding and deleting the dangerous files asap, I believe these may have been causing the issues. My computer is shared among a few people so I don't have complete control over what is placed on the hard drive but I will see to it that they aren't replaced.

I did not know at the time that I should write down the Blue Screen Error text, as I thought it was just a message, but if it occurs again I will take a note of the error information.

Thank you so much once again!

#8 quietman7

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Posted 12 November 2010 - 09:42 AM

You're welcome.

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been backed up, renamed and saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Posted Image > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Posted Image > Run... and type: Cleanmgr
  • Click "Ok". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.
Vista and Windows 7 users can refer to these links:
While there are several prevention tips I could provide, since there are multiple users you may want to ask each of them to read How Malware Spreads - How did I get infected which explains the most common ways malware is contracted and spread.
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#9 ChauBaoLe

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Posted 14 November 2010 - 05:24 AM

Thanks again for the advice. I have created a System Restore Point, which I will hopefully not need to use.

#10 quietman7

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Posted 14 November 2010 - 07:50 AM

:thumbup2:
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