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Virus wiped my drive?

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#1 BuffDrinkLots


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Posted 27 March 2011 - 09:27 AM

I have a bad habit of using tabs to open multiple results with search engines, well I got it, right between the eyes.

Within a matter of 15-20 seconds Zone Alarm, Spy Bot, and Avira lit up like a pinball machine banging a Christmas tree. First thing I do is disconnect my Ethernet cable, but it was too late. Spybot alerts me from the task bar that the task manager is being disabled, then I see several new icons in the task bar, one of them is e.exe and another 123456.exe. Since I'm unable to load process explorer or the task manager I try to open my documents in a panic.. Well all my files are gone, likewise for my programs. Now I start receiving alerts that the hd has had a critical failure and needs to shutdown. When I try to reboot in safe mode I can't, and there's a clicking noise but it doesn't sound like it's coming from the hd.

To make a long story short I couldn't repair XP and had to format the drive, luckily I had backed up all my files less than 24 hours before. With a fresh install of XP and all my files, programs, and antivirus software reinstalled I can only guess what happened.

Can anyone here attempt to tell me what might of hit my PC? I will post the HJ logs if necessary but none of the anivirus progs I've run have detected anything, and I'm running a rootkit scan with GMER right now.

Thank you.

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#2 boopme


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Posted 27 March 2011 - 04:10 PM

Hello it would appear you had a form of an IRCBot developed by a Rootkit.

Hence it was best to reformat

Rootkits, backdoor Trojans, Botnets, and IRC Bots are very dangerous because they compromise system integrity by making changes that allow it to by used by the attacker for malicious purposes. Rootkits are used by Trojans to conceal its presence (hide from view) in order to prevent detection of an attacker's software and make removal more difficult. Many rootkits can hook into the Windows 32-bit kernel, and patch several APIs to hide new registry keys and files they install. They can disable your anti-virus and security tools to prevent detection and removal. Remote attackers use backdoors as a means of accessing and taking control of a computer that bypasses security mechanisms. This type of exploit allows them to steal sensitive information like passwords, personal and financial data which is send back to the hacker. To learn more about these types of infections, you can refer to:

What danger is presented by rootkits?
Rootkits and how to combat them
r00tkit Analysis: What Is A Rootkit

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 and change each password using a clean computer, 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:

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
What Should I Do If I've Become A Victim Of Identity Theft?
Identity Theft Victims Guide - What to do

Although the infection has been identified and may be removed, your PC has likely been compromised and there is no way to be sure the computer can ever be trusted again. It is dangerous and incorrect to assume the computer is secure even if the malware appears to have been removed. In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired so you can never be sure that you have completely removed a rootkit. The malware may leave so many remnants behind that security tools cannot find them. Tools that claim to be able to remove rootkits cannot guarantee that all traces of it will be removed. 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. Please read:

When should I re-format? How should I reinstall?
Help: I Got Hacked. Now What Do I Do?
Where to draw the line? When to recommend a format and reinstall?
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#3 BuffDrinkLots

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Posted 29 March 2011 - 08:52 AM

Thanks! The information is really helpful, and I do feel a little better about formatting my drive (which I'll be replacing once my new one arrives in the mail).

Is there any steps or scans I should do\post, for example. I used GMER but didn't get any positives. I'd like to do whatever I can. It might be better for me than my PC right now as I'm becoming increasingly paranoid and it's tough to just sit down and work with this in the back of my mind.

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