Sirefef.y virus infection

Inactive
By AChichkov
Jun 17, 2012
Topic Status:
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  1. Hello, my PC has become infected with this virus and is now in a constant reboot cycle. I need help removing it. All help would be greatly appreciated
  2. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    Welcome aboard [​IMG]

    Please, observe following rules:
    • Read all of my instructions very carefully. Your mistakes during cleaning process may have very serious consequences, like unbootable computer.
    • If you're stuck, or you're not sure about certain step, always ask before doing anything else.
    • Please refrain from running tools or applying updates other than those I suggest.
    • Never run more than one scan at a time.
    • Keep updating me regarding your computer behavior, good, or bad.
    • The cleaning process, once started, has to be completed. Even if your computer appears to act better, it may still be infected. Once the computer is totally clean, I'll certainly let you know.
    • If you leave the topic without explanation in the middle of a cleaning process, you may not be eligible to receive any more help in malware removal forum.
    • I close my topics if you have not replied in 5 days. If you need more time, simply let me know. If I closed your topic and you need it to be reopened, simply PM me.

    ================================================================

    For x32 (x86) bit systems download Farbar Recovery Scan Tool 32-Bit and save it to a flash drive.
    For x64 bit systems download Farbar Recovery Scan Tool 64-Bit and save it to a flash drive.

    Plug the flashdrive into the infected PC.

    Enter System Recovery Options.

    To enter System Recovery Options from the Advanced Boot Options:
    • Restart the computer.
    • As soon as the BIOS is loaded begin tapping the F8 key until Advanced Boot Options appears.
    • Use the arrow keys to select the Repair your computer menu item.
    • Select US as the keyboard language settings, and then click Next.
    • Select the operating system you want to repair, and then click Next.
    • Select your user account an click Next.

    To enter System Recovery Options by using Windows installation disc:
    • Insert the installation disc.
    • Restart your computer.
    • If prompted, press any key to start Windows from the installation disc. If your computer is not configured to start from a CD or DVD, check your BIOS settings.
    • Click Repair your computer.
    • Select US as the keyboard language settings, and then click Next.
    • Select the operating system you want to repair, and then click Next.
    • Select your user account and click Next.

    On the System Recovery Options menu you will get the following options:

      • Startup Repair
        System Restore
        Windows Complete PC Restore
        Windows Memory Diagnostic Tool
        Command Prompt
    • Select Command Prompt
    • In the command window type in notepad and press Enter.
    • The notepad opens. Under File menu select Open.
    • Select "Computer" and find your flash drive letter and close the notepad.
    • In the command window type e:\frst.exe (for x64 bit version type e:\frst64) and press Enter
      Note: Replace letter e with the drive letter of your flash drive.
    • The tool will start to run.
    • When the tool opens click Yes to disclaimer.
    • Press Scan button.
    • It will make a log (FRST.txt) on the flash drive. Please copy and paste it to your reply.
  3. AChichkov

    AChichkov Newcomer, in training Topic Starter

    Ok, so I am having problems that I believe are caused by the virus. No matter how much I am tapping F8 I cannot enter the Recovery Options at all. It simply continues on its own. Should I have the usb drive plugged in initially to make this work?
  4. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    What Windows version is it?

    Yes, you have to have flash drive in.
  5. AChichkov

    AChichkov Newcomer, in training Topic Starter

    It is windows 7 Ultimate 64 Bit version. And also the problem is that I dont know which port it is connected to. Will it show up in the system recovery so that I can properly follow the steps required to post the logs?
  6. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    You'll find it.
    It may be a different letter than normally on your computer though.
    It's all in my instructions.
  7. AChichkov

    AChichkov Newcomer, in training Topic Starter

    The F8 is not working so I am trying to use the installation disk, Hopefully that works. The virus has been on the system since apparently may 15th so hopefully it is not too late.
  8. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    Whatever takes you there.
    Are you TAPPING F8 key?
  9. AChichkov

    AChichkov Newcomer, in training Topic Starter

    Yes and nothing is happening. Im have tried tapping it at a slow pace, tapping it fast, holding it. But the restart cycle just continues. However, when I am tapping F8 there is a brief moment in which a screen shows up with all the hard drives and their sizes but no matter what I do it skips past that screen within a few seconds.
  10. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    Try to boot that DVD you have.
  11. AChichkov

    AChichkov Newcomer, in training Topic Starter

    No luck, it isnt even letting me get into any settings. I may have the wrong installation disk but I will keep trying
  12. Broni

    Broni Malware Annihilator Posts: 45,265   +243

    You may need to adjust BIOS boot order.

    I'll be gone for the rest of the night (most likely) so I'll check on you tomorrow morning.
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