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Having Difficulty removing virus


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#1 joebroni99

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Posted 21 May 2009 - 09:00 AM

Hi,

Im running xp on my machine at work and I was infected by some virus a few days ago. Ive been trying to get rid of it but nothing seems to be working. Ive tried running combofix but all it does is say its been compromised and closes itself. All exe files were disabled and I couldnt run anything not even in safemode. I repaired windows and got executables to run again, however I cant get rid of the virus. I ran malware bytes and it says nothing found. And then I restarted my pc and everything got messed up. I lost my network connection and in device manager I cant uninstall the network card. All the network devices are yellow question marked stating windows cannot load the device driver. It lists the driver and they are all in the folders but windows isnt loading them. Im not sure what to do at this point any help would be greatly appreciated.

Joe C.

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#2 quietman7

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Posted 21 May 2009 - 10:28 AM

Please note the message text in blue at the top of this forum.

You should not be using Combofix unless instructed to do so by a Malware Removal Expert who can interpret the logs. It is a powerful tool intended by its creator to be "used under the guidance and supervision of an expert", NOT for private use. Combofix was never meant to be used as a general purpose malware scanner like SuperAntispyware or Malwarebytes' Anti-Malware. Using this tool incorrectly could lead to disastrous problems with your operating system such as preventing it from ever starting again. Please read Combofix's Disclaimer. That's the decision by the creator and we will abide by that decision.

You may have a polymorphic file infector with IRCBot functionality which infects .exe files, downloads more malicious files to your system, and opens a back door that compromises your computer.

What anti-virus are you using and what, if anything, has it detected?
Have you tried performing any Online Virus Scans like BitDefender or Kaspersky? If not, then do so and try to confirm what type of infection you are dealing with.
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#3 joebroni99

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Posted 21 May 2009 - 10:37 AM

Thats part of the problem. The network card is saying it cannot load the driver. So right now I have no connection to my network. I have run Malware Bytes, AVG, and Kaspersky which all find nothing. And yes I know I didnt follow the directions, Im sometimes an idiot.

Joe C.

#4 quietman7

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Posted 21 May 2009 - 10:57 AM

You can try using VIPRE Rescue - the size of the downloaded application is large. This is a command-line utility that will scan and clean a computer which is so badly infected that programs cannot be easily run. Be sure to print out and follow the instructions provided on the same page.
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#5 joebroni99

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Posted 21 May 2009 - 11:17 AM

I have a scan running now and its saying win32.virut.56. Is this the virus in my machine? Do you know anything about this or what it does?

#6 quietman7

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Posted 21 May 2009 - 11:24 AM

Virut is a polymorphic file infector with IRCBot functionality which infects .exe, .scr files, downloads more malicious files to your system, and opens a back door that compromises your computer. Virux is an even more complex file infector which also infects script files (.php, .asp, and .html). When Virut creates infected files, it also creates non-functional files that are corrupted beyond repair. In many cases the infected files cannot be disinfected properly by your anti-virus. When disinfection is attempted, the files become corrupted and the system may become irreparable.

The virus has a number of bugs in its code, and as a result it may misinfect a proportion of executable files....some W32/Virut.h infections are corrupted beyond repair.

McAfee Risk Assessment and Overview of W32/Virut
This kind of infection is contracted and spread by visiting remote, crack and keygen sites. These type of sites are infested with a smörgåsbord of malware and an increasing source of system infection. However, the CA Security Advisor Research Blog says they have found MySpace user pages carrying the malicious Virut URL. Either way you 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.

...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

If your computer was used for online banking, has credit card information or other sensitive data on it, you should disconnect from the Internet until your system is cleaned. All passwords should be changed immediately to include those used for banking, email, eBay, paypal and online forums. You should consider them to be compromised. You should change each password using a clean computer and not the infected one. If not, an attacker may get the new passwords and transaction information. If using a router, you need to reset it with a strong logon/password so the malware cannot gain control before connect again. Banking and credit card institutions should be notified of the possible security breach. Because your computer was compromised please read:There is no guarantee this infection can be completely removed. In some instances it may have caused so much damage to your system that it cannot be completely cleaned or repaired. The malware may leave so many remnants behind that security tools cannot find them. Many experts in the security community believe that once infected with this type of malware, the best course of action is to wipe the drive clean, reformat and reinstall the OS. Reinstalling Windows without first wiping the entire hard drive with a repartition and/or format will not remove the infection. The reinstall will only overwrite the Windows files. Any malware on the system will still be there afterwards. Please read:
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#7 joebroni99

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Posted 21 May 2009 - 12:19 PM

Oh one more question. I have a 8gb flash drive that I use in my truck to host music. After using it in my pc it is now saying no data. And in windows its reported as RAW format and to reformat it. Could this Virut have done that to my Flash drive? and is their any way to recover it or should i just format that as well?

Joe C.

#8 quietman7

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Posted 21 May 2009 - 12:41 PM

Flash drives can easily be infected by inserting them into an infected computer or they can carry malicious file and spread the infection to other machines. To learn more about this risk, please read:A Raw File System is a disk partition that has not been formatted with an NT file system (FAT or NTFS). From what I have read, this is often cause by a damaged volume which may look like it lost its file system. Whatever data you had on it may have become corrupted so I would reformat that too.
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