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Windows 2008 server and Trojan.agent/gen nullo short


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#1 heatgun

heatgun

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Posted 08 June 2014 - 12:41 AM

Hi all,

 

We have Windows 2008 installed on our Dell server and we are using as file server with SQL database, recently I found out someone from Russia(?) logs-in to server remotely and keeps installing toolbars, I guess person who installed toolbars got paid for each toolbar, anyway, I changed RDP port number and all users' passwords, removed toolbars and all,

 

Scanned server using Super antispywarebytes + malwarebytes, both scanners find following as trojan;

 

"Operating System Information

Windows Server 2008 R2 Standard 64-bit (Build 6.01.7600)
UAC Off - Administrator
 
Memory items scanned      : 574
Memory threats detected   : 0
Registry items scanned    : 65709
Registry threats detected : 2
File items scanned        : 89004
File threats detected     : 3
 
Trojan.Agent/Gen-Nullo[Short]
(x86) HKLM\System\ControlSet001\Services\WAUYKLVM
C:\WINDOWS\SYSTEM32\DRIVERS\JUPDDA.SYS
(x86) HKLM\System\ControlSet001\Enum\Root\LEGACY_WAUYKLVM
C:\WINDOWS\SYSWOW64\ATTRIB.EXE
C:\WINDOWS\SYSWOW64\SECEDIT.EXE
"
 
Server becomes unbootable If I remove files shown above, specially JUPDDDA.SYS
Windows 2008 just wont boot without it, luckily I had back up from a night before and I was able to restore system but still have this issue, what should I do? how can I get rid of this trojan without affecting boot files.
 
Thank you


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#2 heatgun

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Posted 09 June 2014 - 09:33 AM

Any advise?






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