TROJ_OBVOD.TA

April 26, 2013
 Modified by: Rika Joi Gregorio
 ALIASES:

TrojanDownloader:Win32/Obvod.M (Microsoft); PWS-Zbot-FAQD!0DBBC9A7D018 (McAfee); Trojan.Win32.Inject.fkrf (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse SHeur4.BGUB (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It uses the Windows Task Scheduler to add a scheduled task that executes the copies it drops.

  TECHNICAL DETAILS

File Size:

177,807 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

22 Apr 2013

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan drops the following copies of itself into the affected system:

  • %All Users Profile%\Application Data\{random file name}.exe

(Note: %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.)

It uses the Windows Task Scheduler to add a scheduled task that executes the copies it drops.

It injects codes into the following process(es):

  • iexplore.exe

Autostart Technique

The scheduled task executes the malware every:

  • hour, everyday

Other System Modifications

This Trojan adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
DisableScriptDebuggerIE = "yes"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Error Dlg Displayed On Every Error = "no"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
2500 = "3"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
NoProtectedModeBanner = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
WarnOnZoneCrossing = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Direct3D
LA = "19"

Dropping Routine

This Trojan drops the following files:

  • %Windows%\Tasks\At1.job
  • %Windows%\Tasks\At2.job
  • %Windows%\Tasks\At3.job
  • %Windows%\Tasks\At4.job
  • %Windows%\Tasks\At5.job
  • %Windows%\Tasks\At6.job
  • %Windows%\Tasks\At7.job
  • %Windows%\Tasks\At8.job
  • %Windows%\Tasks\At9.job
  • %Windows%\Tasks\At10.job
  • %Windows%\Tasks\At11.job
  • %Windows%\Tasks\At12.job
  • %Windows%\Tasks\At13.job
  • %Windows%\Tasks\At14.job
  • %Windows%\Tasks\At15.job
  • %Windows%\Tasks\At16.job
  • %Windows%\Tasks\At17.job
  • %Windows%\Tasks\At18.job
  • %Windows%\Tasks\At19.job
  • %Windows%\Tasks\At20.job
  • %Windows%\Tasks\At21.job
  • %Windows%\Tasks\At22.job
  • %Windows%\Tasks\At23.job
  • %Windows%\Tasks\At24.job
  • %Windows%\Tasks\At25.job
  • %Windows%\Tasks\At26.job
  • %Windows%\Tasks\At27.job
  • %Windows%\Tasks\At28.job
  • %Windows%\Tasks\At29.job
  • %Windows%\Tasks\At30.job
  • %Windows%\Tasks\At31.job
  • %Windows%\Tasks\At32.job
  • %Windows%\Tasks\At33.job
  • %Windows%\Tasks\At34.job
  • %Windows%\Tasks\At35.job
  • %Windows%\Tasks\At36.job
  • %Windows%\Tasks\At37.job
  • %Windows%\Tasks\At38.job
  • %Windows%\Tasks\At39.job
  • %Windows%\Tasks\At40.job
  • %Windows%\Tasks\At41.job
  • %Windows%\Tasks\At42.job
  • %Windows%\Tasks\At43.job
  • %Windows%\Tasks\At44.job
  • %Windows%\Tasks\At45.job
  • %Windows%\Tasks\At46.job
  • %Windows%\Tasks\At47.job
  • %Windows%\Tasks\At48.job
  • %All Users Profile%\Application Data\{random file name}.exe.b
  • %All Users Profile%\Application Data\{random file name}.exe_.b
  • %All Users Profile%\Application Data\{random file name}.dat

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.)

NOTES:
This malware connects to the following URLs:

  • http://{BLOCKED}ertificates.com/
  • http://{BLOCKED}census.com/
  • http://{BLOCKED}neta.com/
  • http://{BLOCKED}rs.com/
  • http://{BLOCKED}nk.com/
  • http://{BLOCKED}ut.dtnpf.com/ag/news_events/
  • http://{BLOCKED}ai.org/fellows-in-training/Pages/default.aspx
  • http://{BLOCKED}icguitar.com/
  • http://{BLOCKED}icguitar.com/gear/
  • http://{BLOCKED}dise.com/
  • http://{BLOCKED}nderhiggins.com/
  • http://{BLOCKED}candreamcars.com/
  • http://{BLOCKED}canthinker.com/
  • http://{BLOCKED}nkz.com/
  • http://{BLOCKED}entral.com/
  • http://ar.{BLOCKED}gy.com/
  • http://{BLOCKED}logy.org/
  • http://{BLOCKED}cade.com/
  • http://{BLOCKED}ia.com/
  • http://{BLOCKED}world.com/
  • http://{BLOCKED}in.ynn.com/
  • http://{BLOCKED}escountry.com/
  • http://{BLOCKED}ftheweek.com/
  • http://{BLOCKED}ndblade.com/vb/forum.php
  • http://{BLOCKED}erald.com/
  • http://{BLOCKED}11.com/
  • http://bbs.{BLOCKED}tage.com/groupee
  • http://{BLOCKED}stems.com/
  • http://{BLOCKED}ro.com/
  • http://{BLOCKED}imations.com/
  • http://{BLOCKED}coin.com/
  • http://{BLOCKED}dthedow.com/
  • http://{BLOCKED}dthedow.com/en/columnists/
  • http://{BLOCKED}atlas.org/
  • http://{BLOCKED}stones.org.uk/
  • http://{BLOCKED}nandbound.com/
  • http://{BLOCKED}vering.com/
  • http://{BLOCKED}ratemyprofessors.com/collegeradiowoodie/
  • http://{BLOCKED}iario.org/
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  • http://{BLOCKED}amefreecell.com/
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  • http://{BLOCKED}owfinder.org/
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  • http://{BLOCKED}ifieds.newsminer.com/
  • http://{BLOCKED}ifieds.newstribune.com/marketplace/real_estate/
  • http://{BLOCKED}technica.com/contact-cleantechnica/
  • http://{BLOCKED}relowrates.com/
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  • http://{BLOCKED}mobile.se/
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  • http://www.{BLOCKED}neforums.net/
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  • http://www.{BLOCKED}elnationalnews.com/
  • http://www.{BLOCKED}icaobserver.com/
  • http://www.{BLOCKED}.happycodings.com/Java_Networking/index.html
  • http://www.{BLOCKED}processing.com/processflowdirect/moreResearchLibraryPage.htm?parentPageType=1
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  • http://www.{BLOCKED}forum.com/
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  • http://www.{BLOCKED}gaenred.com/forum.php?s=b32499f51591c01536b090ca94c00295
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  • http://www.{BLOCKED}fesitenews.com/
  • http://www.{BLOCKED}nuxforums.org/forum/installation/46122-how-install-bin-file.html
  • http://www.{BLOCKED}vesets.us/
  • http://www.{BLOCKED}wyat.net/v2/
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  • http://www.{BLOCKED}skeeper.com/natalie_imbruglia-lyrics.htm
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  • http://www.{BLOCKED}s007.com/
  • http://www.{BLOCKED}skeeper.com/
  • http://www.{BLOCKED}orums.com/blog/
  • http://www.{BLOCKED}orums.com/forums/
  • http://www.{BLOCKED}ws.de/
  • http://www.{BLOCKED}seof.com/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}t4free.com/classifieds/
  • http://www.{BLOCKED}tingpilgrim.com/
  • http://www.{BLOCKED}free.net/Annonces/souscat.asp?cat_id=24&sub_id=25
  • http://www.{BLOCKED}free.net/
  • http://www.{BLOCKED}astewartweddings.com/
  • http://www.{BLOCKED}astewartweddings.com/272828/wedding-flowers-decorations
  • http://www.{BLOCKED}h.us/vb/forum.php
  • http://www.{BLOCKED}tchydc.com/
  • http://www.{BLOCKED}tchydc.com/2011/11/13/130169/occupy-wall-street-is-many-things.html
  • http://www.{BLOCKED}fire.com/?jdnfninae813g61
  • http://www.{BLOCKED}alnewstoday.com/
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  • http://www.{BLOCKED}rynews.com/breaking-news/ci_14942286?nclick_check=1
  • http://www.{BLOCKED}dshop.com/
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  • http://www.{BLOCKED}stliving.com/
  • http://www.{BLOCKED}ia.net/aircraft/
  • http://www.{BLOCKED}ary-quotes.com/george-bush.htm
  • http://www.{BLOCKED}reekcarpet.com/
  • http://www.{BLOCKED}orfrase.biz/
  • http://www.{BLOCKED}raftforum.net/
  • http://www.{BLOCKED}04.com/2011/10/gigalinc-gigapixel-photography-exhibit.html
  • http://www.{BLOCKED}hampion.com/content/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}erated.com/
  • http://www.{BLOCKED}ames.com/home
  • http://www.{BLOCKED}ames.com/stats/recent_entries
  • http://www.{BLOCKED}nman.com/health-and-grooming/
  • http://www.{BLOCKED}esims.info/
  • http://www.{BLOCKED}control.com/mutualfundindia/
  • http://www.{BLOCKED}talksnews.com/
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  • http://www.{BLOCKED}ungames.com/
  • http://www.{BLOCKED}ietimes.com/movie-theaters/high-museum-of-art-rich-auditorium.html
  • http://www.{BLOCKED}master.it/
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  • http://www.{BLOCKED}erewards.com/catalog/movies-music-and-games-N33?WT.ac=mnuRC_N33
  • http://www.{BLOCKED}itallife.info/orient-watch-worldtime-journeyman-worth-680-free-giveaway-contest/
  • http://www.{BLOCKED}as.net/
  • http://www.{BLOCKED}etv.net/
  • http://www.{BLOCKED}s4.com/content/news/californiastatenews/default.aspx
  • http://www.{BLOCKED}inearcade.com/
  • http://www.{BLOCKED}rygames.org/
  • http://www.{BLOCKED}ies.it/
  • http://www.{BLOCKED}urbanlife.com/
  • http://www.{BLOCKED}trends.com/job_list-category-administrative-jobs-in-nigeria
  • http://www.{BLOCKED}trends.com/
  • http://www.{BLOCKED}oget.com/
  • http://www.{BLOCKED}q.com/aspx/market-headlines.aspx
  • http://www.{BLOCKED}atelegraph.com/business/951195-192/housing-slump-freezes-homeowners-in-place.html
  • http://www.{BLOCKED}nalfootballpost.com/
  • http://www.{BLOCKED}naljournal.com/
  • http://www.{BLOCKED}ami.com/
  • http://www.{BLOCKED}rama.com/
  • http://www.{BLOCKED}eker.com/Hardware/Video/Video_Cards/
  • http://www.{BLOCKED}eker.com/
  • http://www.{BLOCKED}unks.com/
  • http://www.{BLOCKED}ctor.co.uk/
  • http://www.{BLOCKED}com.au/
  • http://www.{BLOCKED}000.com/news/Megadeth-Rob-Zombie-to-perform-at-La-Crosse-Center/-/326/8812000/-/qcglfkz/-/index.html
  • http://www.{BLOCKED}entactics.com/Default.aspx
  • http://www.{BLOCKED}com/
  • http://www.{BLOCKED}ndia.com/
  • http://www.{BLOCKED}gamers.com/
  • http://www.{BLOCKED}ltv.com/disclaimer/
  • http://www.{BLOCKED}ber.nl/
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  • http://www.{BLOCKED}ppler.com/vehicles2.php
  • http://www.{BLOCKED}ookreview.com/
  • http://www.{BLOCKED}games.com/flashgames/game.php?id=259
  • http://www.{BLOCKED}rce.com/
  • http://www.{BLOCKED}g.com/
  • http://www.{BLOCKED}g.com/articulos
  • http://www.{BLOCKED}ister.com/
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  • http://www.{BLOCKED}arab.net/f78-montada
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  • http://www.{BLOCKED}l.com/
  • http://www.{BLOCKED}dia.in/
  • http://www.{BLOCKED}e-literature.com/
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  • http://www.{BLOCKED}blog.com/
  • http://www.{BLOCKED}tock.com/Electronics/Otter-Box-Apple-iPhone-4-4S-black-impact-case-APL1-I4SUN-20-E4OTR/6432748/product.html?IID=prod6432748&sec_iid=74106
  • http://www.{BLOCKED}mes.com/play.php?juego=40532
  • http://www.{BLOCKED}ltoonline.com/news/index.php?si=1
  • http://www.{BLOCKED}tsconnect.com/home/index.jhtml
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  • http://www.{BLOCKED}e.com/people/article/0,,20543264,00.html?xid=rss-topheadlines&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+people%2Fheadlines+%28PEOPLE.com%3A+Top+Headlines%29
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  • http://www.{BLOCKED}ir.com/en
  • http://www.{BLOCKED}by.com/
  • http://www.{BLOCKED}skyregister.com/
  • http://www.{BLOCKED}ion.com/nfl/teams/seattle-seahawks
  • http://www.{BLOCKED}rum.com/soccer/
  • http://www.{BLOCKED}cedaily.com/
  • http://www.{BLOCKED}cedaily.com/releases/2010/06/100615192010.htm
  • http://www.{BLOCKED}cemag.org/
  • http://www.{BLOCKED}y.net/sc-new-notable.html
  • http://www.{BLOCKED}d.com/
  • http://www.{BLOCKED}com/health
  • http://www.{BLOCKED}com/
  • http://www.{BLOCKED}anking-tools.de/
  • http://www.{BLOCKED}ncentral.com/sermon-powerpoints-illustration-church-background-images-stills/
  • http://www.{BLOCKED}ndtable.com/
  • http://www.{BLOCKED}miner.com/
  • http://www.{BLOCKED}miner.com/local/bay-area/2011/11/san-jose-extends-land-purchase-option-oakland-stadium
  • http://www.{BLOCKED}kly.com/2011-11-09/news/hiv-aids-porn-barebacking-sex-parties-gay-culture-taylor-friedman/
  • http://www.{BLOCKED}kly.com/
  • http://www.{BLOCKED}wareconnection.com/
  • http://www.{BLOCKED}ocal.com/topdealslanding.aspx
  • http://www.{BLOCKED}ing-search.jp/
  • http://www.{BLOCKED}tyle.com/
  • http://www.{BLOCKED}e.com/
  • http://www.{BLOCKED}cityjournal.com/news/local/our-people-balloons-soar-for-cancer-fight-in-kingsley/vmix_f325f510-d282-51d7-bf37-77d9fa74c620.html
  • http://www.{BLOCKED}boarding-games.org/
  • http://www.{BLOCKED}rapercity.com/
  • http://www.{BLOCKED}ingames.com/games/enoughplumbers.html
  • http://www.{BLOCKED}rflashgames.com/
  • http://www.{BLOCKED}rcentral.com/shop/
  • http://www.{BLOCKED}rway.com/
  • http://www.{BLOCKED}ead.com/
  • http://www.{BLOCKED}nmariogames.com/
  • http://www.{BLOCKED}shdict.com/answers
  • http://www.{BLOCKED}shdict.com/
  • http://www.{BLOCKED}notes.com/
  • http://www.{BLOCKED}ingcity.com/view-spelling-list.html?listId=5329134&x=b97a0
  • http://www.{BLOCKED}sgamezone.com/
  • http://www.{BLOCKED}er.com/
  • http://www.{BLOCKED}1.de/
  • http://www.{BLOCKED}ingnews.com/
  • http://www.{BLOCKED}soverdose.com/
  • http://www.{BLOCKED}hs.com/
  • http://www.{BLOCKED}hs.com/emarket/result23.html
  • http://www.{BLOCKED}ard.net/
  • http://www.{BLOCKED}list.com/
  • http://www.{BLOCKED}ssionwebdirectory.com/
  • http://www.{BLOCKED}scape.com/
  • http://www.{BLOCKED}ygrocerycoupons.net/
  • http://www.{BLOCKED}t.com/
  • http://www.{BLOCKED}mes.com/index.html
  • http://www.{BLOCKED}pandagames.com/
  • http://www.{BLOCKED}valistboards.com/
  • http://www.{BLOCKED}use.com/
  • http://www.{BLOCKED}rtforums.com/forum-information/
  • http://www.{BLOCKED}e.com/
  • http://www.{BLOCKED}scheap.it/2011/05/10/sos-smalti-kiko-out/
  • http://www.{BLOCKED}o.com/go/chn/tbk_channel/onsale.php?pid=mm_16449842_2245380_8796002
  • http://www.{BLOCKED}.com.au/
  • http://www.{BLOCKED}onow.com/art_galleries/
  • http://www.{BLOCKED}m.com/
  • http://www.{BLOCKED}es.org/
  • http://www.{BLOCKED}p.com/
  • http://www.{BLOCKED}iquid.net/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}recipes.com/
  • http://www.{BLOCKED}ologyreview.in/
  • http://www.{BLOCKED}epublic.com/
  • http://www.{BLOCKED}ree.com/home
  • http://www.{BLOCKED}isionwithoutpity.com/
  • http://www.{BLOCKED}sbox.com/
  • http://www.{BLOCKED}fit.com/
  • http://www.{BLOCKED}elicopter-game.org/
  • http://www.{BLOCKED}imalrescuesite.com/clickToGive/home.faces?siteId=3
  • http://www.{BLOCKED}bywebsite.com/section.Trying4Baby.htm
  • http://www.{BLOCKED}bywebsite.com/
  • http://www.{BLOCKED}ombox.com/category/leaked/
  • http://www.{BLOCKED}rgames.com/
  • http://www.{BLOCKED}oiddemos.com/
  • http://www.{BLOCKED}gle.com/
  • http://www.{BLOCKED}rumsite.com/
  • http://www.{BLOCKED}isky.com/
  • http://www.{BLOCKED}meforum.com/
  • http://www.{BLOCKED}mehomepage.com/
  • http://www.{BLOCKED}mescenter.com/games/Drunk-Driver_71.htm
  • http://www.{BLOCKED}obeandmail.com/
  • http://www.{BLOCKED}io.com/
  • http://www.{BLOCKED}teshow.com/
  • http://www.{BLOCKED}wamerican.com/
  • http://www.{BLOCKED}ghtscoop.com/
  • http://www.{BLOCKED}udentroom.co.uk/
  • http://www.{BLOCKED}perficial.com/
  • http://www.{BLOCKED}uthaboutcars.com/
  • http://www.{BLOCKED}olesaleforums.co.uk/
  • http://www.{BLOCKED}olesaleforums.co.uk/features/
  • http://www.{BLOCKED}direct.com/
  • http://www.{BLOCKED}ar.com/uk/
  • http://www.{BLOCKED}tosun.com/
  • http://www.{BLOCKED}motorcycle.com/
  • http://www.{BLOCKED}motorcycle.com/MotorcycleModelGuides-Index.htm
  • http://www.{BLOCKED}prosports.com/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}locity.co.in/site/travel/flights/
  • http://www.{BLOCKED}locity.co.in/
  • http://www.{BLOCKED}ugger.com/
  • http://www.{BLOCKED}ugar.com/
  • http://www.{BLOCKED}dig.com/
  • http://www.{BLOCKED}dig.com/arts_culture/item/exile_in_oscarville_ratners_slur_shakes_up_oscar_lineup_20111109/
  • http://www.{BLOCKED}world.com/news/article.aspx?subjectid=11&articleid=20111114_11_0_Aftera996780
  • http://www.{BLOCKED}acktogod.com/
  • http://www.{BLOCKED}ials.de/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}ghtgamer.com/freeonlinegames/1126/crank.html
  • http://www.{BLOCKED}ched.com/
  • http://www.{BLOCKED}endable.com/
  • http://www.{BLOCKED}dictionary.com/
  • http://www.{BLOCKED}rry.com/
  • http://www.{BLOCKED}twork.com/
  • http://www.{BLOCKED}ekend.com/
  • http://www.{BLOCKED}ldingdigest.com/
  • http://www.{BLOCKED}azine.com/
  • http://www.{BLOCKED}am.tv/
  • http://www.{BLOCKED}ionandtravelphotos.com/
  • http://www.{BLOCKED}cle.com/
  • http://www.{BLOCKED}rtz.com/
  • http://www.{BLOCKED}help.com/
  • http://www.{BLOCKED}gevoice.com/
  • http://www.{BLOCKED}gevoice.com/slideshow/fun-fun-fun-fest-2011-35516873/
  • http://www.{BLOCKED}mx.com/product/main
  • http://www.{BLOCKED}treet.co.in/
  • http://www.{BLOCKED}places.com/sex-positive-st-louis-out-loud-st-louis-1486415-e/
  • http://www.{BLOCKED}ngtonian.com/index.html
  • http://www.{BLOCKED}com/home/
  • http://www.{BLOCKED}com/traffic/index.html
  • http://www.{BLOCKED}com/weather/grid.html
  • http://www.{BLOCKED}erforyou.com/weather_video/forecasts.html
  • http://www.{BLOCKED}smoforums.com/
  • http://www.{BLOCKED}y.com/content/
  • http://www.{BLOCKED}sterforums.com/
  • http://www.{BLOCKED}e.com/
  • http://www.{BLOCKED}e.com/watch/World_of_Workcraft/
  • http://www.{BLOCKED}ord.com/
  • http://www.{BLOCKED}ord.com/slideshow/lumberjack-party-at-the-gin-mill-35560080/
  • http://www.{BLOCKED}coupons.com/
  • http://www.{BLOCKED}cheaper.com/
  • http://www.{BLOCKED}atedwho.com/celebrities/
  • http://www.{BLOCKED}atedwho.com/
  • http://www.{BLOCKED}me.com/
  • http://www.{BLOCKED}uru.cz/int/help_index.php
  • http://www.{BLOCKED}read.com/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}om/index.php?fa=PAGE.view&pageId=367697
  • http://www.{BLOCKED}om/
  • http://www.{BLOCKED}rhowto.com/
  • http://www.{BLOCKED}orkingtalk.com/
  • http://www.{BLOCKED}ngbase.com/
  • http://www.{BLOCKED}ogress.com/
  • http://www.{BLOCKED}atus.net/
  • http://www.{BLOCKED}com/main.html
  • http://www.{BLOCKED}lerforum.com/
  • http://www.{BLOCKED}com/
  • http://www.{BLOCKED}v.com/index.html
  • http://www.{BLOCKED}com/news/wtvr-justin-timberlake-marine-ball-20111113,0,3031977.story
  • http://www.{BLOCKED}com/news/wpix-guess-whose-celebrity-cleavage-20110315,0,5876504.photogallery
  • http://www.{BLOCKED}rground.com/
  • http://www.{BLOCKED}.com/cash-for-appliances/22148805/detail.html
  • http://www.{BLOCKED}aro.net/
  • http://www.{BLOCKED}world.co.uk/boats/2011/Dykstra-110%27-Classic-Sloop-2382159/France
  • http://www.{BLOCKED}world.co.uk/
  • http://www.{BLOCKED}x.ru/
  • http://www.{BLOCKED}ia.com/global/en/home.html
  • http://www.{BLOCKED}ews.com/articles/0,7340,L-4145033,00.html
  • http://www.{BLOCKED}t.com/
  • http://www.{BLOCKED}y.it/#
  • http://www.{BLOCKED}entrepreneur.com/
  • http://www.{BLOCKED}gar.com/
  • http://www.{BLOCKED}es.com/
  • http://www.{BLOCKED}.com/
  • http://www.{BLOCKED}t-3000.com/portail/jeu-4314.html
  • http://www.{BLOCKED}dungeon.net/
  • http://www.{BLOCKED}dungeon.net/2011/11/amazing-fan-made-stop-motion-zelda-animation/
  • http://www.{BLOCKED}edge.com/
  • http://www.{BLOCKED}ero.pt/
  • http://{BLOCKED}nline.com/celebrities/ellen_pompeo/ellen_pompeo_takes_her_baby_to_yoga_class-06192010.php
  • http://{BLOCKED}freehosting.net/
  • http://{BLOCKED}ube.jeddahbikers.com/

It checks for the presence of the installed AV-related applications using the following strings:

  • PXAgent
  • PXConsole
  • ad-watch
  • almon
  • alsvc
  • alusched
  • apvxdwin
  • ashdisp
  • ashmaisv
  • ashserv
  • ashwebsv
  • avcenter
  • avciman
  • avengine
  • avesvc
  • avgnt
  • avguard
  • bdagent
  • bdmcon
  • caissdt
  • cavrid
  • cavtray
  • ccapp
  • ccetvm
  • cclaw
  • ccproxy
  • ccsetmgr
  • clamtray
  • clamwin
  • counter
  • dpasnt
  • drweb
  • firewalln
  • fsguidll
  • fsm32
  • fspex
  • guardxkickoff
  • hsock
  • isafe
  • kavpf
  • kpf4gui
  • kpf4ss
  • livesrv
  • mcage
  • mcdet
  • mcshi
  • mctsk
  • mcupd
  • mcupdm
  • mcvss
  • mpeng
  • mpfag
  • mpfser
  • msascui
  • mscif
  • mskage
  • msksr
  • msmps
  • mxtask
  • navapsvc
  • nipsvc
  • njeeves
  • nod32krn
  • nod32kui
  • npfmsg2
  • npfsvice
  • nscsrvce
  • nvcoas
  • nvcsched
  • oascl
  • pavfnsvr
  • pxagent
  • pxcons
  • savadmins
  • savser
  • scfmanager
  • scfservice
  • scftray
  • sndsrvc
  • spbbcsvc
  • spidernt
  • spiderui
  • spysw
  • sunprotect
  • sunserv
  • sunthreate
  • swdoct
  • symlcsvc
  • tsanti
  • vba32ldr
  • vir.exe
  • vsmon
  • vsserv
  • webproxy
  • webroot
  • winssno
  • wmiprv
  • xcommsvr
  • zanda
  • zlcli

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.872.06

FIRST VSAPI PATTERN DATE:

22 Apr 2013

VSAPI OPR PATTERN File:

9.873.00

VSAPI OPR PATTERN Date:

22 Apr 2013

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
    • DisableScriptDebuggerIE = yes
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
    • Error Dlg Displayed On Every Error = no
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
    • 2500 = 3
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
    • NoProtectedModeBanner = 1
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
    • WarnOnZoneCrossing = 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Direct3D
    • LA = 19

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Windows%\Tasks\At1.job
  • %Windows%\Tasks\At2.job
  • %Windows%\Tasks\At3.job
  • %Windows%\Tasks\At4.job
  • %Windows%\Tasks\At5.job
  • %Windows%\Tasks\At6.job
  • %Windows%\Tasks\At7.job
  • %Windows%\Tasks\At8.job
  • %Windows%\Tasks\At9.job
  • %Windows%\Tasks\At10.job
  • %Windows%\Tasks\At11.job
  • %Windows%\Tasks\At12.job
  • %Windows%\Tasks\At13.job
  • %Windows%\Tasks\At14.job
  • %Windows%\Tasks\At15.job
  • %Windows%\Tasks\At16.job
  • %Windows%\Tasks\At17.job
  • %Windows%\Tasks\At18.job
  • %Windows%\Tasks\At19.job
  • %Windows%\Tasks\At20.job
  • %Windows%\Tasks\At21.job
  • %Windows%\Tasks\At22.job
  • %Windows%\Tasks\At23.job
  • %Windows%\Tasks\At24.job
  • %Windows%\Tasks\At25.job
  • %Windows%\Tasks\At26.job
  • %Windows%\Tasks\At27.job
  • %Windows%\Tasks\At28.job
  • %Windows%\Tasks\At29.job
  • %Windows%\Tasks\At30.job
  • %Windows%\Tasks\At31.job
  • %Windows%\Tasks\At32.job
  • %Windows%\Tasks\At33.job
  • %Windows%\Tasks\At34.job
  • %Windows%\Tasks\At35.job
  • %Windows%\Tasks\At36.job
  • %Windows%\Tasks\At37.job
  • %Windows%\Tasks\At38.job
  • %Windows%\Tasks\At39.job
  • %Windows%\Tasks\At40.job
  • %Windows%\Tasks\At41.job
  • %Windows%\Tasks\At42.job
  • %Windows%\Tasks\At43.job
  • %Windows%\Tasks\At44.job
  • %Windows%\Tasks\At45.job
  • %Windows%\Tasks\At46.job
  • %Windows%\Tasks\At47.job
  • %Windows%\Tasks\At48.job
  • %All Users Profile%\Application Data\{random file name}.exe.b
  • %All Users Profile%\Application Data\{random file name}.exe_.b
  • %All Users Profile%\Application Data\{random file name}.dat

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_OBVOD.TA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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