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Userinit.exe infection by Dloadr-DCX??


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1 reply to this topic

#1 isoglo2010

isoglo2010

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Posted 09 September 2010 - 04:39 AM

Hey there,

first post so please go easy on me if I dont get this quite right.

Following a couple of infections on my machine at work I have had to ask for some help as the tech support will just flush my machine and I'd like to avoid that if possible. I thought I had successfully removed the virus Alureon H which Sophos discovered - was causing browser re-directs and other touble. I used housecall to check and it also found problems - as did the Malicious Removal Tool from Microsoft - I know Ive been stupid, being on the network here for some reason my firewall is disabled and I cannot change it status.

so after I cleaned up the recently discovered infections using the tools just mentioned I figured I was ok - everything seemed to be running fine, I even ran a scan using Sophos's SAV32CLI tool in safe mode, it didnt turn up any viruses:

Sophos Anti-Virus
Version 1.01.1 [Win32/Intel]
Virus data version 4.57E, September 2010
Includes detection for 1949992 viruses, trojans and worms
Copyright © 1989-2010 Sophos Plc. All rights reserved.

System time 13:52:23, System date 08 September 2010
Command line qualifiers are: -remove -p=c:logfile2.txt

IDE directory is: C:\Program Files\Sophos\Sophos Anti-Virus

Using IDE file dloa-dck.ide
Using IDE file agen-oez.ide
Using IDE file bredo-ea.ide
Using IDE file dwnl-ijz.ide
Using IDE file agen-oaf.ide
Using IDE file zbot-ux.ide
Using IDE file dwnl-ikb.ide
Using IDE file zbot-vz.ide
Using IDE file wapomi-a.ide
Using IDE file bank-fal.ide
Using IDE file skimtr-r.ide
Using IDE file afroot-a.ide
Using IDE file agen-odn.ide
Using IDE file tdss-eg.ide
Using IDE file bredo-du.ide
Using IDE file sillyl-a.ide
Using IDE file mdrop-bl.ide
Using IDE file zbot-vg.ide
Using IDE file agen-oik.ide
Using IDE file zbot-wd.ide
Using IDE file zbot-we.ide
Using IDE file drop-gb.ide
Using IDE file dwnl-iki.ide
Using IDE file fake-bqf.ide
Using IDE file agen-ois.ide
Using IDE file agen-oja.ide
Using IDE file zbot-wn.ide
Using IDE file spyeye-d.ide
Using IDE file pws-bla.ide
Using IDE file fake-bpl.ide
Using IDE file agen-ojh.ide
Using IDE file vb-evf.ide
Using IDE file agen-ojn.ide
Using IDE file dwnl-iju.ide
Using IDE file vb-evg.ide
Using IDE file agen-ojw.ide
Using IDE file backd-dh.ide
Using IDE file agen-oko.ide
Using IDE file scar-v.ide
Using IDE file injec-oa.ide
Using IDE file agen-ohn.ide
Using IDE file ifram-fj.ide
Using IDE file auto-bgl.ide
Using IDE file pws-blb.ide
Using IDE file scar-x.ide
Using IDE file fake-bqk.ide
Using IDE file agen-ohq.ide
Using IDE file agen-oll.ide
Using IDE file spyeye-f.ide
Using IDE file zbot-ww.ide
Using IDE file jsred-ch.ide
Using IDE file zbot-xa.ide
Using IDE file zbot-xb.ide
Using IDE file zbot-xc.ide
Using IDE file pws-bkz.ide
Using IDE file dwnl-ikr.ide
Using IDE file zbot-xd.ide
Using IDE file agen-oid.ide
Using IDE file pws-bks.ide
Using IDE file bredo-ee.ide
Using IDE file zbot-xe.ide
Using IDE file bredo-ef.ide
Using IDE file zbot-xg.ide
Using IDE file vbinj-ac.ide
Using IDE file auto-bgm.ide
Using IDE file zbot-xi.ide
Using IDE file tiotu-cv.ide
Using IDE file javad-an.ide
Using IDE file zbot-xp.ide
Using IDE file mdro-cvj.ide
Using IDE file dwnl-ikl.ide
Using IDE file zbot-xt.ide
Using IDE file fakeln-a.ide
Using IDE file zbot-xx.ide
Using IDE file mdro-cuu.ide
Using IDE file agen-ojb.ide
Using IDE file delf-ffi.ide
Using IDE file javasn-a.ide
Using IDE file taris-d.ide
Using IDE file womcod-a.ide
Using IDE file fake-bpi.ide
Using IDE file klone-s.ide
Using IDE file zbot-wp.ide
Using IDE file rimecu-s.ide
Using IDE file palev-ad.ide
Using IDE file fake-boh.ide
Using IDE file bumat-b.ide
Using IDE file pdfjs-w.ide
Using IDE file bobomb-a.ide
Using IDE file bckd-rdr.ide
Using IDE file bubnix-e.ide
Using IDE file imaut-h.ide
Using IDE file vb-evk.ide
Using IDE file ntroo-ga.ide
Using IDE file tdss-em.ide
Using IDE file tdss-en.ide
Using IDE file fake-brg.ide
Using IDE file zbot-yd.ide
Using IDE file auto-bgu.ide
Using IDE file vb-evz.ide
Using IDE file cplink-e.ide
Using IDE file fake-brm.ide
Using IDE file oficl-aa.ide
Using IDE file agen-onx.ide
Using IDE file fake-bqb.ide
Using IDE file keyge-dt.ide
Using IDE file fake-brq.ide
Using IDE file bank-faw.ide
Using IDE file agen-oob.ide
Using IDE file fake-brr.ide
Using IDE file spy-ij.ide
Using IDE file bckd-rds.ide
Using IDE file mdro-cwn.ide
Using IDE file rimecu-w.ide
Using IDE file injec-nz.ide
Using IDE file mdro-cwq.ide
Using IDE file agen-oox.ide
Using IDE file ceeinj-g.ide
Using IDE file zbot-yk.ide
Using IDE file bifro-ag.ide
Using IDE file start-dx.ide
Using IDE file pws-bln.ide
Using IDE file agen-opn.ide
Using IDE file ircb-agy.ide
Using IDE file fake-brw.ide
Using IDE file agen-opx.ide
Using IDE file spyeye-g.ide
Using IDE file zbot-yo.ide
Using IDE file scar-y.ide
Using IDE file fake-brv.ide
Using IDE file agen-ond.ide
Using IDE file pws-blq.ide
Using IDE file zegost-f.ide
Using IDE file zbot-yj.ide
Using IDE file bank-fay.ide
Using IDE file zbot-yp.ide
Using IDE file dwnl-ild.ide
Using IDE file netan-a.ide
Using IDE file agen-ooc.ide
Using IDE file silly-ey.ide
Using IDE file fake-bsc.ide
Using IDE file vb-ewn.ide
Using IDE file pws-blr.ide

Quick Scanning


1 boot sector swept.
131964 files swept in 45 minutes and 35 seconds.
No viruses were discovered.
Ending Sophos Anti-Virus.


However when I run Windows XP normally, there are 3 items in the quarantine and Sophos Keeps telling me 2 of them require a full scan - which I performed last week and yet they still appear in quarantine (???) and the other is the newly discovered problem (this morning) I mentioned concerning userinit.exe, which has been caused by

http://www.sophos.com/security/analyses/vi...jdloadrdcx.html

Any ideas on whether Ive NOT managed to clean up the PC, or how I can remove this seemingly endless bombardment would be appreciated - even if you think I should just accept defeat and format, would be good to get someone else's input at the moment. I have admin rights so I can install anything you might suggest.

If you need any info please shout as Im not sure where to look for any logs which may have been created by housecall or MRT, or any logs of previous quaratine items in Sophos.

Thanks

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#2 Blade

Blade

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Posted 09 September 2010 - 02:51 PM

Hello and :thumbsup: to BleepingComputer.

Please download RKill by Grinler from one of the 4 links below and save it to your desktop.

Link 1
Link 2
Link 3
Link 4
  • Before we begin, you should disable any anti-malware software you have installed so it does not interfere with RKill running. This is because some anti-malware software mistakenly detects RKill as malicious. Please refer to this page if you are not sure how to disable your security software.
  • Double-click on Rkill on your desktop to run it. (If you are using Windows Vista, please right-click on it and select Run As Administrator)
  • A black screen will appear and then disappear. Please do not worry, that is normal. This means that the tool has been successfully executed.
  • If nothing happens or if the tool does not run, please let me know in your next reply
***************************************************

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2

IMPORTANT!!! - when you save the file, rename it to something random, such as bubbles.exe This must be done before beginning the download!

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

~Blade


In your next reply, please include the following:
Malwarebytes Log

Posted Image

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