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Trojans surviving multiple MBAM cleanings


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8 replies to this topic

#1 christoph57

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Posted 12 June 2011 - 03:21 PM

Windows XP Media Center Edition SP 3

it seems no matter how many times I run MBAM, these files keep popping up.

in system 32, jgsh40032.dll
4 numbered .manifest files (0200000007d4bc5e1270c, 1270o, 1270p, 1270s)in system 32 and in documents&settings\localservice\application data

and a 4 registry keys.

as well a key called .fsharproj that MBAM calls (Trojan.BHO)?

When I run MBAM in safe mode, it seems to clean it, but when I run it in regular desktop mode - it shows back up as if it wasnt deleted on reboot?
Running Trend Micro Internet security 14 only seems to pick up a virus (and quarantine) that was in a backup file.


So any help would be great. Thanks for reading :)

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#2 cryptodan

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Posted 12 June 2011 - 03:23 PM

Can you post the logs from Malwarebytes?

#3 christoph57

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Posted 12 June 2011 - 04:49 PM

Malwarebytes' Anti-Malware 1.51.0.1200
www.malwarebytes.org

Database version: 6832

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

6/12/2011 5:39:17 PM
mbam-log-2011-06-12 (17-39-17).txt

Scan type: Quick scan
Objects scanned: 172771
Time elapsed: 4 minute(s), 46 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 1
Registry Keys Infected: 3
Registry Values Infected: 0
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 5

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> Delete on reboot.

Registry Keys Infected:
HKEY_CLASSES_ROOT\CLSID\{AEC8F3E3-897B-3B2F-C8FF-F3BE1BB73BF5} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{AEC8F3E3-897B-3B2F-C8FF-F3BE1BB73BF5} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\.fsharproj (Trojan.BHO) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Bad: (C:\WINDOWS\system32\jgsh40032.dll) Good: () -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
c:\WINDOWS\system32\020000007d4bc5ee1270c.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270o.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270p.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270s.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> Delete on reboot.


Thanks for taking the time, I really appreciate it!

#4 cryptodan

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Posted 12 June 2011 - 05:28 PM

Reboot then perform a complete scan.

#5 christoph57

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Posted 12 June 2011 - 07:01 PM

Malwarebytes' Anti-Malware 1.51.0.1200
www.malwarebytes.org

Database version: 6832

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

6/12/2011 7:51:13 PM
mbam-log-2011-06-12 (19-51-13).txt

Scan type: Full scan (C:\|D:\|E:\|)
Objects scanned: 326405
Time elapsed: 1 hour(s), 19 minute(s), 57 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 1
Registry Keys Infected: 3
Registry Values Infected: 0
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 7

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> Delete on reboot.

Registry Keys Infected:
HKEY_CLASSES_ROOT\CLSID\{34AFA15E-9F0C-FB84-CEA0-7C5F031EEC92} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{34AFA15E-9F0C-FB84-CEA0-7C5F031EEC92} (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\.fsharproj (Trojan.BHO) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Bad: (C:\WINDOWS\system32\jgsh40032.dll) Good: () -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
c:\system volume information\_restore{129201fa-b0ac-49b3-96b2-deb8b91e727b}\RP707\A0166934.exe (Trojan.FakeAlert) -> Quarantined and deleted successfully.
c:\system volume information\_restore{129201fa-b0ac-49b3-96b2-deb8b91e727b}\RP707\A0166935.exe (Trojan.FakeAlert) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270c.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270o.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270p.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\020000007d4bc5ee1270s.manifest (Malware.Trace) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> Delete on reboot.


Completed.

Performed quickscan after reboot - still showing

Malwarebytes' Anti-Malware 1.51.0.1200
www.malwarebytes.org

Database version: 6832

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

6/12/2011 8:00:42 PM
mbam-log-2011-06-12 (20-00-33).txt

Scan type: Quick scan
Objects scanned: 172702
Time elapsed: 4 minute(s), 56 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 1
Registry Keys Infected: 2
Registry Values Infected: 0
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 5

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> No action taken.

Registry Keys Infected:
HKEY_CLASSES_ROOT\CLSID\{9B950BB7-F208-C293-6F6C-5B09FFCE3B94} (Trojan.Agent) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9B950BB7-F208-C293-6F6C-5B09FFCE3B94} (Trojan.Agent) -> No action taken.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Bad: (C:\WINDOWS\system32\jgsh40032.dll) Good: () -> No action taken.

Folders Infected:
(No malicious items detected)

Files Infected:
c:\WINDOWS\system32\020000007d4bc5ee1270c.manifest (Malware.Trace) -> No action taken.
c:\WINDOWS\system32\020000007d4bc5ee1270o.manifest (Malware.Trace) -> No action taken.
c:\WINDOWS\system32\020000007d4bc5ee1270p.manifest (Malware.Trace) -> No action taken.
c:\WINDOWS\system32\020000007d4bc5ee1270s.manifest (Malware.Trace) -> No action taken.
c:\WINDOWS\system32\jgsh40032.dll (Trojan.Agent) -> No action taken.


I then followed prompt to reboot.

Edited by christoph57, 12 June 2011 - 07:04 PM.


#6 cryptodan

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Posted 12 June 2011 - 07:04 PM

Can you tell Mbam to delete the infections?

#7 christoph57

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Posted 12 June 2011 - 07:14 PM

Using fileassassin??

I do tell it to Remove selected (all of them) and it tells me "to complete removal you must reboot, would you like to reboot now?" I reboot, then once I'm back onto windows.. scan again, and its back.

#8 cryptodan

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Posted 12 June 2011 - 07:19 PM

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.

#9 christoph57

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Posted 13 June 2011 - 07:08 PM

http://www.bleepingcomputer.com/forums/topic403632.html

Thank you for your assistance.




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