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win32/sirefef.FC trojan


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4 replies to this topic

#1 sankla

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Posted 21 January 2013 - 08:29 AM

Hello,
my system got affected with a trojan and now I tried all the ways on help online but notting seem to help, if anyone can help me in resolving this issue it would be great. here is the error that I am getting.
ESET Smart Security 5

Alert
Threat found

Object: c:\windows\system32\services.exe
Threat: win32/sirefef.FC trojan

Event occoured during an attempt to access the file by the

application:c:\windows\system32\svchost.exe.

delete
the object contaons a possible threat for your system. This

option will remove the object from your system.

No action- Not recomended
Despite a potential threat, the object will not be cleaned or

deleted and willpresist in the system.

error while deleting.

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#2 CatByte

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Posted 21 January 2013 - 09:13 AM

what operating system are you using?

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#3 sankla

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Posted 25 January 2013 - 04:32 AM

I am using windows 7, I also tried to delete the files but no luck.

#4 CatByte

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Posted 25 January 2013 - 06:34 PM

Please do the following:

Download the appropriate version for your system of the Farbar Recovery Scan Tool 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.
  • Choose your 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.
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.
  • Choose your 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.
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 the disclaimer.
[*]Place a check next to List Drivers MD5 as well as the default check marks that are already there
[*]Press Scan button.
[*]type exit and reboot the computer normally
[*]FRST will make a log (FRST.txt) on the flash drive, please copy and paste the log in your reply.[/list]

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#5 CatByte

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Posted 02 February 2013 - 10:51 AM

Due to the lack of feedback, this topic is now closed.In the event you still have problems, please send me or any Moderator a Private Message and ask them to reopen this topic within the next 5 days. Please include a link to your topic in the Private Message. Thank you.

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