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Server 2003 has Malware!


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3 replies to this topic

#1 morval

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Posted 20 January 2011 - 02:23 AM

I've got a Windows Server 2003 with some kind of malware. I've gotten rid of most of it, but there is one bug that I just can't get rid of. The main problem is a lot of the tools to get rid of these pesky bugs don't work on server OS.

All windows updates have been applied. There are no Antivirus or antimalware programs running at the moment. Just Malwarebytes installed.

Here is the Gmer log....

GMER 1.0.15.15530 - http://www.gmer.net
Rootkit scan 2011-01-19 23:14:08
Windows 5.2.3790 Service Pack 2 Harddisk0\DR0 -> \Device\Ide\IAAStorageDevice-0 Intel___ rev.0.1.
Running: 7cr2mei4.exe; Driver: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\1\fwtdrpow.sys


---- Kernel code sections - GMER 1.0.15 ----

? ACPI.sys The system cannot find the file specified. !
? pci.sys The system cannot find the file specified. !
? isapnp.sys The system cannot find the file specified. !
? pciide.sys The system cannot find the file specified. !
? intelide.sys The system cannot find the file specified. !
? MountMgr.sys The system cannot find the file specified. !
? ftdisk.sys The system cannot find the file specified. !
? dmload.sys The system cannot find the file specified. !
? dmio.sys The system cannot find the file specified. !
? volsnap.sys The system cannot find the file specified. !
? PartMgr.sys The system cannot find the file specified. !
? atapi.sys The system cannot find the file specified. !
? iaStor.sys The system cannot find the file specified. !
? disk.sys The system cannot find the file specified. !
? fltmgr.sys The system cannot find the file specified. !
? Dfs.sys The system cannot find the file specified. !
? KSecDD.sys The system cannot find the file specified. !
? Ntfs.sys The system cannot find the file specified. !
? NDIS.sys The system cannot find the file specified. !
? Mup.sys The system cannot find the file specified. !
? crcdisk.sys The system cannot find the file specified. !
? agp440.sys The system cannot find the file specified. !

---- User code sections - GMER 1.0.15 ----

UPX1 C:\WINDOWS\TEMP\csrss.exe[2260] C:\WINDOWS\TEMP\csrss.exe entry point in "UPX1" section [0x004BEF20]

---- Devices - GMER 1.0.15 ----

AttachedDevice \FileSystem\Fastfat \Fat fltmgr.sys
AttachedDevice \FileSystem\Fastfat \Fat Dfs.sys

---- EOF - GMER 1.0.15 ----

The problem file is of course c:\windows\temp\csrss.exe. The real csrss.exe in the Windows\system32 folder seems fine and is only 4K in size I think. Its this one in the temp folder that Malwarebytes and other programs just can't get rid of. When I boot into safe mode the file doesn't exist and Malwarebytes doesn't find anything wrong. If I do an online scan of this file no antivirus thinks its bad.

Any ideas would be great!

Thanks,

Konrad

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#2 cryptodan

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Posted 20 January 2011 - 06:26 AM

Please follow the instructions in ==>This Guide<==.

Once the proper logs are created, then make a NEW TOPIC and post it ==>HERE<== Please include the link to this topic in your new topic and a description of your computer issues and what you have done to resolve them.

If you can produce at least some of the logs, then please create the new topic and explain what happens when you try to create the log(s) that you couldn't get. If you cannot produce any of the logs, then still post the topic and explain that you followed the Prep. Guide, were unable to create the logs, and describe what happens when you try to create the logs.

Once you have created the new topic, please reply back here with a link to the new topic.

#3 morval

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Posted 30 January 2011 - 02:11 PM

http://www.bleepingcomputer.com/forums/topic376610.html

Sorry I did not specify that I did follow the guide. Sorry that I put this topic in Server OS section instead of the Malware section, I assumed there would be more knowlegable server users in here. Sorry I did not specify that DDS log would not run on a Server OS, I just assumed the users here would know that it won't run on a Server OS. I did mention that I found that a lot of tools would not run on a Server OS.

I was mainly looking for some ideas on the problem, which is very specific, malwarebytes keeps on finding csrss.exe and gmer also complains about it. I thought a discussion on this might help me, if others had experienced the a similar infection? I've never had a client's server infected so was at a bit of a loss as to where to go next.

Thank you for your very helpful post!


Please follow the instructions in ==>This Guide<==.

Once the proper logs are created, then make a NEW TOPIC and post it ==>HERE<== Please include the link to this topic in your new topic and a description of your computer issues and what you have done to resolve them.

If you can produce at least some of the logs, then please create the new topic and explain what happens when you try to create the log(s) that you couldn't get. If you cannot produce any of the logs, then still post the topic and explain that you followed the Prep. Guide, were unable to create the logs, and describe what happens when you try to create the logs.

Once you have created the new topic, please reply back here with a link to the new topic.



#4 boopme

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Posted 30 January 2011 - 03:16 PM

Thank you. Now that your log is properly posted, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a Malware Removal Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the Malware Removal Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the Malware Removal Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the Malware Removal Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

To avoid confusion, I am closing this topic.
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