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malware evading mbam and avira


rjrphd
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I posted this a week ago, but got no replies.

I have some bad items on my drive.

I run mbam, but it detects nothing. (log below)

Then I ran Avira, and it found about 20 items, on 2 drives. These were deleted.

I ran Hijack (log below)

There is still some agent present. If I use my USB flash drive, then, take it to work, as soon as I plug it in, Symantec reports a DOWNLOADER is present.

Mbam log:

Malwarebytes' Anti-Malware 1.41

Database version: 2798

Windows 5.0.2195 Service Pack 4

9/17/2009 2:08:26 PM

mbam-log-2009-09-17 (14-08-26).txt

Scan type: Quick Scan

Objects scanned: 75290

Time elapsed: 8 minute(s), 45 second(s)

Memory Processes Infected: 0

Memory Modules Infected: 0

Registry Keys Infected: 0

Registry Values Infected: 0

Registry Data Items Infected: 0

Folders Infected: 0

Files Infected: 0

Memory Processes Infected:

(No malicious items detected)

Memory Modules Infected:

(No malicious items detected)

Registry Keys Infected:

(No malicious items detected)

Registry Values Infected:

(No malicious items detected)

Registry Data Items Infected:

(No malicious items detected)

Folders Infected:

(No malicious items detected)

Files Infected:

(No malicious items detected)

Hijack Log:

Logfile of Trend Micro HijackThis v2.0.2

Scan saved at 11:59:21 PM, on 9/17/2009

Platform: Windows 2000 SP4 (WinNT 5.00.2195)

MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Boot mode: Normal

Running processes:

C:\WINNT\System32\smss.exe

C:\WINNT\system32\winlogon.exe

C:\WINNT\system32\services.exe

C:\WINNT\system32\lsass.exe

C:\WINNT\system32\svchost.exe

C:\WINNT\system32\spoolsv.exe

C:\Program Files\Avira\AntiVir Desktop\sched.exe

C:\Program Files\Avira\AntiVir Desktop\avguard.exe

C:\WINNT\System32\svchost.exe

C:\Program Files\Common Files\Intuit\Update Service\IntuitUpdateService.exe

C:\Program Files\Java\jre6\bin\jqs.exe

C:\WINNT\system32\MSTask.exe

C:\WINNT\System32\WBEM\WinMgmt.exe

C:\WINNT\system32\svchost.exe

C:\WINNT\Explorer.EXE

C:\WINNT\system32\spool\drivers\w32x86\3\hpztsb04.exe

C:\Program Files\Avira\AntiVir Desktop\avgnt.exe

C:\Program Files\NetZero\exec.exe

C:\WINNT\System32\winrom.exe

C:\WINNT\system\winrsc.exe

C:\Program Files\NetZero\exec.exe

C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://my.netzero.net/s/search?r=minisearch

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://my.netzero.net/s/search?r=minisearch

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://my.netzero.net/s/search?r=minisearch

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://my.netzero.net/s/search?r=minisearch

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://my.netzero.net/s/search?r=minisearch

R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://my.netzero.net/s/search?r=minisearch

R3 - URLSearchHook: URLSearchHook Class - {37D2CDBF-2AF4-44AA-8113-BD0D2DA3C2B8} - C:\Program Files\NetZero\SearchEnh1.dll

O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll

O2 - BHO: Java

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  • Staff

Hi,

First of all, please update MalwareBytes, because the databaseversion is outdated.

  • Start MalwareBytes and click the Update tab. There click "Check for updates"
  • In case you can't update the database via the update option, please download and install the database from here. Only do this when the update option doesn't work.
  • Once the updates are downloaded, perform a quick scan again.
  • The scan may take some time to finish,so please be patient.
  • When the scan is complete, click OK, then Show Results to view the results.
  • Make sure that everything is checked, and click Remove Selected.
  • When disinfection is completed, a log will open in Notepad and you may be prompted to Restart.(See Extra Note)
  • The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
  • Copy&Paste the entire report in your next reply along with a fresh HijackThis log, then we'll proceed from there with new steps.

Extra Note:

If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process,if asked to restart the computer,please do so immediatly.

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  • 2 weeks later...
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