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How to remove win32/medfos.BG trojan

Last response: in Windows 7
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July 26, 2012 2:47:58 PM

Have eset and it identifies the trojan but cannot remove. Have used super anti-spyware and malware bytes neither even identifies trojan. Have run eset and malware bytes in safe mode to no avail. Finally, tried system restore to an earlier date, have not yet turned computer on since then. Please HELP!!!!
July 26, 2012 3:13:02 PM

Tried that already. Unfortunately, no definitive or easy answer for a non-techie.
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July 26, 2012 3:22:40 PM

As a matter of fact, most sites including Threat expert, do not even have any info on this trojan.
July 26, 2012 3:29:21 PM

I forgot to mention I already used Microsoft Safety scanner and searched Microsoft database for info on this Trojan. Again, all to no avail. Safety scanner did not detect the Trojan and Microsoft had no info.
a b $ Windows 7
July 26, 2012 3:31:35 PM

have you tried running

Rkill and TDSSkiller all in safe mode
July 26, 2012 3:34:46 PM

Should I download them in safe mode if I can?
a b $ Windows 7
July 26, 2012 3:36:31 PM

you can download them in Safe Mode with Networking
a b $ Windows 7
July 26, 2012 7:51:11 PM




Hi :) 

You need to stop giving that advice regarding viruses..... it WONT work with various Boot sector and Trojan viruses....

To the OP...GET A NORTON 2012 disc and BOOT from it, it will update its definitions then run a FULL SCAN, then use its POWER ERASER option...

All the best Brett :) 
July 26, 2012 7:58:25 PM

try viper rescue. You should be able to burn it to a CD and boot to the disc.
a b $ Windows 7
July 26, 2012 10:56:48 PM

a fresh install of windows will remove a trojan. It is my understand that win32/medfos.BG is not a boot sector virus.

Brett928S2 said:
Hi :) 

You need to stop giving that advice regarding viruses..... it WONT work with various Boot sector and Trojan viruses....

To the OP...GET A NORTON 2012 disc and BOOT from it, it will update its definitions then run a FULL SCAN, then use its POWER ERASER option...

All the best Brett :) 
a b $ Windows 7
July 26, 2012 11:06:31 PM

nhasian said:
a fresh install of windows will remove a trojan. It is my understand that win32/medfos.BG is not a boot sector virus.



Hi :) 

You are wrong..... and you obviously know more about copying/pasting than viruses...

All the best Brett :) 
a b $ Windows 7
July 27, 2012 1:17:19 AM

If I am incorrect, please educate me. there is no need to be rude.
a b $ Windows 7
July 27, 2012 1:24:21 AM

nhasian said:
If I am incorrect, please educate me. there is no need to be rude.


Hi :) 

How would you like me to explain over 20 years of removing viruses ?? The longest post in the world history of Forums ?

Just accept that in this case you are wrong, and that comes from someone that removes viruses from Customers machines around 20 times a week on average...

All the best Brett :) 
a b $ Windows 7
July 27, 2012 3:44:25 AM

I was hoping you could link me to some information showing me that the virus we were discussing is actually a boot sector virus or that a format of the hard disk and re installation of windows would not work. All of the research i've done on google shows me that this method would indeed rid a computer of this particular virus. if there is any boot sector viruses other than this one ofcourse they can be eradicated simply by using fdisk /mbr. Either way I can see that we are not going to be able to have a logical discussion. We will just have to agree to disagree.

Brett928S2 said:
How would you like me to explain over 20 years of removing viruses ?? The longest post in the world history of Forums?

August 17, 2012 11:15:38 AM

showa1 said:
Have eset and it identifies the trojan but cannot remove. Have used super anti-spyware and malware bytes neither even identifies trojan. Have run eset and malware bytes in safe mode to no avail. Finally, tried system restore to an earlier date, have not yet turned computer on since then. Please HELP!!!!

If you are frustrated with win32/medfos.BG Trojan which is very similar to Win32.Small.EMI.Trj which sneakingly enter to the user computer and damages its entire security. it slow down the PC performance and also leads to issue like system crash and data loss.

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