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TR/Dropper.Gen Infection

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3 replies to this topic

#1 apcal


  • Members
  • 1 posts
  • Local time:03:56 AM

Posted 19 February 2009 - 09:59 PM

I have a Lan House with 21 computers and the antivirus (Avira Antivir) is presenting a TR/Dropper infection warning, in several different files. This is happening in all computers. The interesting thing is that, when the antivirus pops the warning window, if I tell it to delete the infected file, the computer with the next IP in the local network pops a window too. It is not a coincidence, I tested it and it happens every single time!

I tried everything, searched the Internet and couldnīt remove it! I am not a newbie, I am a computer programmer and systems analyst for more than 20 years, never had problems to remove viruses and spywares, but this one is puzzling me, please help!

DDS log:

DDS (Ver_09-02-01.01) - NTFSx86
Run by Expresso at 23:37:50,63 on qui 02/19/aaaa
Internet Explorer: 7.0.5730.13
Microsoft Windows XP Professional 5.1.2600.3.1252.55.1046.18.511.160 [GMT -3:00]

AV: Avira AntiVir PersonalEdition *On-access scanning disabled* (Updated)

============== Running Processes ===============

C:\WINDOWS\system32\svchost -k DcomLaunch
C:\WINDOWS\system32\svchost -k rpcss
C:\WINDOWS\System32\svchost.exe -k netsvcs
C:\WINDOWS\System32\svchost.exe -k NetworkService
C:\WINDOWS\system32\svchost.exe -k LocalService
C:\Arquivos de programas\AntiVir\avguard.exe
C:\Arquivos de programas\AntiVir\sched.exe
C:\WINDOWS\system32\svchost.exe -k imgsvc
C:\Arquivos de programas\AntiVir\avgnt.exe
C:\Arquivos de programas\Spybot - Search & Destroy\TeaTimer.exe
C:\Arquivos de programas\internet explorer\iexplore.exe
C:\Documents and Settings\Expresso\Desktop\dds.scr

============== Pseudo HJT Report ===============

uStart Page = www.google.com.br
BHO: AcroIEHlprObj Class: {06849e9f-c8d7-4d59-b87d-784b7d6be0b3} - c:\arquivos de programas\adobe\acrobat 7.0\activex\AcroIEHelper.dll
BHO: Spybot-S&D IE Protection: {53707962-6f74-2d53-2644-206d7942484f} - c:\arquiv~1\spybot~1\SDHelper.dll
BHO: GbIehObj Class: {c41a1c0e-ea6c-11d4-b1b8-444553540002} - c:\windows\downloaded program files\gbiehtam.dll
TB: {21FA44EF-376D-4D53-9B0F-8A89D3229068} - No File
EB: {32683183-48a0-441b-a342-7c2a440a9478} - No File
uRun: [SpybotSD TeaTimer] c:\arquivos de programas\spybot - search & destroy\TeaTimer.exe
uRun: [ctfmon.exe] c:\windows\system32\ctfmon.exe
mRun: [NvCplDaemon] RUNDLL32.EXE c:\windows\system32\NvCpl.dll,NvStartup
mRun: [nwiz] nwiz.exe /install
mRun: [Shell23] c:\arquivos de programas\cafezee\Explorer
mRun: [avgnt] "c:\arquivos de programas\antivir\avgnt.exe" /min
mRun: [NvMediaCenter] RUNDLL32.EXE c:\windows\system32\NvMcTray.dll,NvTaskbarInit
uPolicies-explorer: HideClock = 0 (0x0)
mPolicies-explorer: CZ_RESTRICTEDUSER = 1 (0x1)
mPolicies-explorer: NoViewOnDrive = 0 (0x0)
mPolicies-explorer: HideClock = 0 (0x0)
IE: {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - {CAFEEFAC-0015-0000-0002-ABCDEFFEDCBC} - c:\arquivos de programas\java\jre1.5.0_02\bin\npjpi150_02.dll
IE: {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - {53707962-6F74-2D53-2644-206D7942484F} - c:\arquiv~1\spybot~1\SDHelper.dll
DPF: {0FF588E0-0913-4CBC-BEC6-422A2D96B7FB} - hxxp://www.audition.com.br/activex/AuditionWeb.cab
DPF: {17492023-C23A-453E-A040-C7C580BBF700} - hxxp://download.microsoft.com/download/F/D/9/FD9E437D-5BC8-4264-A093-DFA2C39D197E/LegitCheckControl.cab
DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} - hxxp://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} - hxxp://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
DPF: {3C8B9651-4E3E-424D-B51C-54544ABF536B} - hxxps://ww7.banrisul.com.br/bxz/data/securecontrol2k.cab
DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} - hxxp://gfx2.hotmail.com/mail/w2/resources/MSNPUpld.cab
DPF: {5D6F45B3-9043-443D-A792-115447494D24} - hxxp://messenger.zone.msn.com/PT-BR/a-UNO1/GAME_UNO1.cab
DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} - hxxp://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1232435565006
DPF: {8AD9C840-044E-11D1-B3E9-00805F499D93} - hxxp://java.sun.com/update/1.5.0/jinstall-1_5_0_02-windows-i586.cab
DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} - hxxp://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
DPF: {8FFBE65D-2C9C-4669-84BD-5829DC0B603C} - hxxp://fpdownload.macromedia.com/get/flashplayer/current/polarbear/ultrashim.cab
DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} - hxxp://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
DPF: {CAFEEFAC-0015-0000-0002-ABCDEFFEDCBA} - hxxp://java.sun.com/update/1.5.0/jinstall-1_5_0_02-windows-i586.cab
DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} - hxxp://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
DPF: {DB6BF2CD-4F59-4F1C-AA9C-D08C0B61A931} - hxxps://www14.bancobrasil.com.br/plugin/GbpDist.cab
DPF: {E37CB5F0-51F5-4395-A808-5FA49E399002} - hxxps://www.tam.com.br/tre/jsps/GbPluginTam.cab
TCP: {D648F14D-7D1D-4D59-90C0-FE3545901FA0} =
TCP: {EB4DE6C9-A95E-43D9-BAB7-4C7211C98031} =
SEH: GbPluginObj Class: {e37cb5f0-51f5-4395-a808-5fa49e399f83} - c:\windows\downloaded program files\gbieh.dll
SEH: GbPluginObj Class: {e37cb5f0-51f5-4395-a808-5fa49e399002} - c:\windows\downloaded program files\gbiehtam.dll

================= FIREFOX ===================

FF - ProfilePath - c:\docume~1\expresso\dadosd~1\mozilla\firefox\profiles\default\
FF - prefs.js: browser.search.defaulturl - hxxp://search.sweetim.com/search.asp?src=2&q=
FF - prefs.js: browser.search.selectedEngine - Google
FF - prefs.js: browser.startup.homepage - hxxp://home.sweetim.com
FF - prefs.js: keyword.URL - hxxp://search.sweetim.com/search.asp?src=2&q=
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJava11.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJava12.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJava13.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJava14.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJava32.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPJPI150_02.dll
FF - plugin: c:\arquivos de programas\java\jre1.5.0_02\bin\NPOJI610.dll
FF - plugin: c:\arquivos de programas\windows live\photo gallery\NPWLPG.dll

FF - user.js: FoxFilter.aboutConfigEnabled - false
FF - user.js: FoxFilter.addonsEnabled - false
FF - user.js: FoxFilter.enabled - true
FF - user.js: FoxFilter.examineBody - false
FF - user.js: FoxFilter.examineMeta - true
FF - user.js: FoxFilter.examineTitle - true
FF - user.js: FoxFilter.examineUrl - true
FF - user.js: FoxFilter.keywords - 18+,21+,adult web,adult content,adults,adults only,be 18,be 21,centerfold,erotic,free and adult,free and sex,lingerie,lust,naked,nude,over 18,over 21,penthouse,playboy,porn,sex,x-rated,xrated,x rated,xxx
FF - user.js: FoxFilter.password - foxfilter
FF - user.js: FoxFilter.passwordReminder - Lembrete
FF - user.js: FoxFilter.urlExceptions - mozilla.org,uol.com.br,ig.com.br,ibest.com.br,youtube.com,globo.com,terra.com.br,brturbo.com.br,submarino.com.br

c:\arquivos de programas\mozilla firefox\defaults\pref\firefox-l10n.js - pref("browser.fixup.alternate.suffix", ".com.br");

============= SERVICES / DRIVERS ===============

R1 avgio;avgio;c:\arquivos de programas\antivir\avgio.sys [2007-7-22 11840]
R1 SNSID;SNSID;c:\windows\system32\drivers\SNSID.SYS [2009-2-16 22272]
R1 SNSMS;SNSMS;c:\windows\system32\drivers\SNSMS.SYS [2007-2-13 34440]
R2 AntiVirScheduler;AntiVir PersonalEdition Classic Scheduler;c:\arquivos de programas\antivir\sched.exe [2007-7-22 68865]
R2 AntiVirService;AntiVir PersonalEdition Classic Guard;c:\arquivos de programas\antivir\avguard.exe [2007-7-22 151297]
R2 Ps2KSecureKeyboard;SecureKbd;c:\windows\system32\drivers\psseckbd.sys [2007-2-13 15048]
R2 SNMgrSvc;SNMgrSvc;c:\windows\system32\SnMgrSvc.exe [2007-2-13 280712]
R3 avgntflt;avgntflt;c:\arquivos de programas\antivir\avgntflt.sys [2007-7-22 52032]
R3 vhidmini;Secure Mouse;c:\windows\system32\drivers\vhsecmou.sys [2007-2-13 12464]
S3 DCamUSBDXG014;Dual Mode Video Camera;c:\windows\system32\drivers\dxg014w2.sys --> c:\windows\system32\drivers\DXG014W2.sys [?]
S3 XDva019;XDva019;\??\c:\windows\system32\xdva019.sys --> c:\windows\system32\XDva019.sys [?]
S3 XDva026;XDva026;\??\c:\windows\system32\xdva026.sys --> c:\windows\system32\XDva026.sys [?]
S3 XDva031;XDva031;\??\c:\windows\system32\xdva031.sys --> c:\windows\system32\XDva031.sys [?]
S3 XDva074;XDva074;\??\c:\windows\system32\xdva074.sys --> c:\windows\system32\XDva074.sys [?]
S3 XDva182;XDva182;\??\c:\windows\system32\xdva182.sys --> c:\windows\system32\XDva182.sys [?]
S3 XDva190;XDva190;\??\c:\windows\system32\xdva190.sys --> c:\windows\system32\XDva190.sys [?]
S3 XDva195;XDva195;\??\c:\windows\system32\xdva195.sys --> c:\windows\system32\XDva195.sys [?]
S3 XDva221;XDva221;\??\c:\windows\system32\xdva221.sys --> c:\windows\system32\XDva221.sys [?]
S3 XDva223;XDva223;\??\c:\windows\system32\xdva223.sys --> c:\windows\system32\XDva223.sys [?]
S3 XDva224;XDva224;\??\c:\windows\system32\xdva224.sys --> c:\windows\system32\XDva224.sys [?]
S3 XDva225;XDva225;\??\c:\windows\system32\xdva225.sys --> c:\windows\system32\XDva225.sys [?]

=============== Created Last 30 ================

2009-02-19 23:13 186,504 a------- c:\windows\system32\SnAgOS.TMP
2009-02-16 18:12 161,792 a------- c:\windows\SWREG.exe
2009-02-16 18:12 98,816 a------- c:\windows\sed.exe
2009-02-16 17:01 0 -------- c:\windows\system32\SWM0018
2009-02-16 17:00 22,272 -------- c:\windows\system32\drivers\SNSID.SYS
2009-02-16 17:00 2,560 -------- c:\windows\system32\SNLINK.DLL
2009-02-11 06:12 <DIR> --d----- c:\docume~1\alluse~1\dadosd~1\Messenger Plus!
2009-02-11 01:45 <DIR> --d----- c:\arquivos de programas\Messenger Plus! Live
2009-02-09 16:27 205 a------- c:\windows\wininit.ini
2009-02-09 15:22 <DIR> --d----- c:\docume~1\alluse~1\dadosd~1\Spybot - Search & Destroy
2009-02-09 15:22 <DIR> --d----- c:\arquivos de programas\Spybot - Search & Destroy
2009-02-06 14:26 159,744 a------- c:\windows\system32\lfpng13n.dll
2009-01-30 16:58 <DIR> --d----- c:\documents and settings\expresso\WINDOWS
2009-01-30 01:29 <DIR> --d----- c:\docume~1\alluse~1\dadosd~1\ESTsoft
2009-01-30 01:29 <DIR> --d----- c:\docume~1\expresso\dadosd~1\ESTSoft
2009-01-30 01:11 <DIR> --d----- c:\windows\RegisteredPackages

==================== Find3M ====================

2009-02-15 18:56 425,426 a------- c:\windows\system32\perfh016.dat
2009-02-15 18:56 67,450 a------- c:\windows\system32\perfc016.dat
2009-01-11 13:12 0 a---h--- c:\windows\system32\drivers\Msft_Kernel_motmodem_01005.Wdf
2009-01-11 13:12 0 a---h--- c:\windows\system32\drivers\MsftWdf_Kernel_01005_Coinstaller_Critical.Wdf
2008-12-04 23:04 308,584 a------- c:\windows\WLXPGSS.SCR

============= FINISH: 23:39:10,33 ===============

Attached Files

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#2 extremeboy


  • Malware Response Team
  • 12,975 posts
  • Gender:Male
  • Local time:04:56 AM

Posted 01 March 2009 - 04:21 PM


My name is Extremeboy (or EB for short), and I will be helping you with your log.

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help.

If you have since resolved the original problem you were having, we would appreciate you letting us know. If not please perform the following steps below so we can have a look at the current condition of your machine. If you have not done so, include a description of your problem, along with any steps you may have performed so far.

If you do not make a reply in 5 days, we will need to close your topic.

You may want to keep the link to this topic in your favourites. Alternatively, you can click the Posted Image button at the top bar of this topic and Track this Topic. The topics you are tracking can be found here.

Please take note of some guidelines for this fix:
  • Refrain from making any changes to your computer including installing/uninstall programs, deleting files, modifying the registry, and running scanners or tools.
  • If you do not understand any step(s) provided, please do not hesitate to ask before continuing. I would much rather clarify instructions or explain them differently than have something important broken.
  • Even if things appear to be better, it might not mean we are finished. Please continue to follow my instructions and reply back until I give you the "all clean". We do not want to clean you part-way, only to have the system re-infect itself.
  • Please reply using the Posted Image button in the lower right hand corner of your screen. Do not start a new topic. The logs that you post should be pasted directly into the reply.
  • Old topics are closed after 3 days with no reply, and working topics are closed after 5 days. If for any reason you cannot complete instructions within that time, that's fine, just post back here so that we know you're still here.

Download and run OTListIT2

We need to create an OTListIt2 Report
  • Please download OTListIt2 from one of the following mirrors:
  • Save it to your desktop.
  • Double click on the Posted Image icon on your desktop.
  • Click the "Scan All Users" checkbox.
  • Push the Posted Image button.
  • Two reports will open, copy and paste them in a reply here:
    • OTListIt.txt <-- Will be opened
    • Extra.txt <-- Will be minimized
  • Post both logs in your next reply please.
Download and Run Scan with GMER

We will use GMER to scan for rootkits.
  • Download gmer.zip and save to your desktop.
    Alternate Download Site 1
    Alternate Download Site 2
  • Unzip/extract the file to its own folder. (Click here for information on how to do this if not sure. Win 2000 users click here.
  • When you have done this, disconnect from the Internet and close all running programs.
    There is a small chance this application may crash your computer so save any work you have open.
  • Double-click on Gmer.exe to start the program.
  • Allow the gmer.sys driver to load if asked.
  • If it gives you a warning at program start about rootkit activity and asks if you want to run a scan...click NO.
  • Click the >>>
  • Click on Settings, then check the first five settings:
    • System Protection and Tracing
    • Processes
    • Save created processes to the log
    • Drivers
    • Save loaded drivers to the log
  • You will be prompted to restart your computer. Please do so.
After the reboot, run Gmer again and click on the Rootkit tab.
  • Look at the right hand side (under Files) and uncheck all drives with the exception of your C drive.
  • Make sure all other boxes on the right of the screen are checked, EXCEPT for Show All.
  • Click on the Scan and wait for the scan to finish.
    Note: Before scanning, make sure all other running programs are closed and no other actions like a scheduled antivirus scan will occur while this scan completes. Also do not use your computer during the scan. You will know that the scan is done when the Stop buttons turns back to Scan.
  • When completed, click on the Copy button and right-click on your Desktop, choose New>Text document. Once the file is created, open it and right-click again and choose Paste. Save the file as gmer.txt and copy the information in your next reply.
Important!:Please do not select the Show all checkbox during the scan..

In your next reply please include the following:
  • OTListIt.txt
  • Extra.txt
  • GMER Scan log
  • What Problems do you still have?

Important Note: For other users who are reading this topic,the instructions provided in this topic are for the original topic starter ONLY. Even if you have similar problems or even log entries to those given here, please do not follow the directions, especially those involving specific tools and scripts. Doing so can result in serious damage to your computer. Instead, please start your own topic and feel free to link to any relevant topics as needed.Please Do NOT follow the instructions provided for this topic.

With Regards,
Note: Please do not PM me asking for help, instead please post it in the correct forum requesting for help. Help requests via the PM system will be ignored.

If I'm helping you and I don't reply within 48 hours please feel free to send me a PM.

The help you receive here is always free but if you wish to show your appreciation, you may wish to Posted Image.

#3 extremeboy


  • Malware Response Team
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  • Gender:Male
  • Local time:04:56 AM

Posted 04 March 2009 - 03:57 PM


Are you still there?

If you are please follow the instructions in my previous post.

If you still need help, follow the instructions I have given in my response. If you have since had your problem solved, we would appreciate you letting us know so we can close the topic.

Please reply back telling us so. If you don't reply within 5 days the topic will need to be closed.

Thanks for understanding. :thumbup2:

With Regards,
Note: Please do not PM me asking for help, instead please post it in the correct forum requesting for help. Help requests via the PM system will be ignored.

If I'm helping you and I don't reply within 48 hours please feel free to send me a PM.

The help you receive here is always free but if you wish to show your appreciation, you may wish to Posted Image.

#4 extremeboy


  • Malware Response Team
  • 12,975 posts
  • Gender:Male
  • Local time:04:56 AM

Posted 06 March 2009 - 12:54 PM


Due to Lack of feedback, this topic is now Closed.

Please start a new thread in the Hijackthis-Malware Removal forum and post a new DDS logs if you need help again. Due to the fact that I need to leave in a few days, I cannot continue to help you if you need it re-opened. If you require assistance again, start a new topic. Do Not PM me please.

This applies only to the original topic starter.

With Regards,

Note: Please do not PM me asking for help, instead please post it in the correct forum requesting for help. Help requests via the PM system will be ignored.

If I'm helping you and I don't reply within 48 hours please feel free to send me a PM.

The help you receive here is always free but if you wish to show your appreciation, you may wish to Posted Image.

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