TROJ_FAKEAV.GVJ


 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

As of this writing, the said sites are inaccessible.

It deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

EXE

Initial Samples Received Date:

04 Apr 2012

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting the following malicious websites:

  • http://{BLOCKED}gn.cl/umag7/ciencias/nav1.php
  • http://{BLOCKED}rocesssolutionmicrosoft.info/bb61f9bcec711d56/1/

Installation

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

  • %User Profile%\Application Data\Protector-imal.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)

It drops the following files:

  • %Desktop%\Windows Custodian Utility.lnk
  • %Start Menu%\Programs\Windows Custodian Utility.lnk
  • %User Profile%\Application Data\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#local\settings.sol
  • %Windows%\system32\d3d9caps.dat

It terminates the execution of the copy it initially executed and executes the copy it drops instead.

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Inspector = "%User Profile%\Application Data\Protector-imal.exe"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE ERROR PAGE BYPASS ZONE CHECK FOR HTTPS KB954312

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
{application name}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
regedit.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
taskmgr.exe

It adds the following registry entries:

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
GConfig = "{random values}"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
net = "2012-4-5_3"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
UID = "fmpltekpsu"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE ERROR PAGE BYPASS ZONE CHECK FOR HTTPS KB954312
iexplore.exe = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
EnableLUA = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
ConsentPromptBehaviorAdmin = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
ConsentPromptBehaviorUser = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
{application name}
Debugger = "svchost.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
taskmgr.exe
Debugger = "%User Profile%\Application Data\Protector-imal.exe task"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
regedit.exe
Debugger = "%User Profile%\Application Data\Protector-imal.exe reg"

Where {application name} may be any of the following:

  • avpm.exe
  • avptc32.exe
  • avpupd.exe
  • avsched32.exe
  • avshadow.exe
  • avsynmgr.exe
  • avupgsvc.exe
  • AVWEBGRD.EXE
  • avwin.exe
  • avwin95.exe
  • avwinnt.exe
  • avwsc.exe
  • avwupd.exe
  • avwupd32.exe
  • avwupsrv.exe
  • avxmonitor9x.exe
  • avxmonitornt.exe
  • avxquar.exe
  • b.exe
  • backweb.exe
  • bargains.exe
  • bd_professional.exe
  • bdfvcl.exe
  • bdfvwiz.exe
  • BDInProcPatch.exe
  • bdmcon.exe
  • BDMsnScan.exe
  • BDSurvey.exe
  • beagle.exe
  • belt.exe
  • bidef.exe
  • bidserver.exe
  • bipcp.exe
  • bipcpevalsetup.exe
  • bisp.exe
  • blackd.exe
  • blackice.exe
  • blink.exe
  • blss.exe
  • bootconf.exe
  • bootwarn.exe
  • borg2.exe
  • bpc.exe
  • brasil.exe
  • brastk.exe
  • brw.exe
  • bs120.exe
  • bspatch.exe
  • bundle.exe
  • bvt.exe
  • c.exe
  • cavscan.exe
  • ccapp.exe
  • ccevtmgr.exe
  • ccpxysvc.exe
  • ccSvcHst.exe
  • cdp.exe
  • cfd.exe
  • cfgwiz.exe
  • cfiadmin.exe
  • cfiaudit.exe
  • cfinet.exe
  • cfinet32.exe
  • cfp.exe
  • cfpconfg.exe
  • cfplogvw.exe
  • cfpupdat.exe
  • claw95.exe
  • claw95cf.exe
  • clean.exe
  • cleaner.exe
  • cleaner3.exe
  • cleanIELow.exe
  • cleanpc.exe
  • click.exe
  • cmd32.exe
  • cmdagent.exe
  • cmesys.exe
  • cmgrdian.exe
  • cmon016.exe
  • connectionmonitor.exe
  • control
  • cpd.exe
  • cpf9x206.exe
  • cpfnt206.exe
  • crashrep.exe
  • csc.exe
  • cssconfg.exe
  • cssupdat.exe
  • cssurf.exe
  • ctrl.exe
  • cv.exe
  • cwnb181.exe
  • cwntdwmo.exe
  • d.exe
  • datemanager.exe
  • dcomx.exe
  • defalert.exe
  • defscangui.exe
  • defwatch.exe
  • deloeminfs.exe
  • deputy.exe
  • divx.exe
  • dllcache.exe
  • dllreg.exe
  • doors.exe
  • dop.exe
  • dpf.exe
  • dpfsetup.exe
  • dpps2.exe
  • driverctrl.exe
  • drwatson.exe
  • drweb32.exe
  • drwebupw.exe
  • dssagent.exe
  • dvp95.exe
  • dvp95_0.exe
  • ecengine.exe
  • efpeadm.exe
  • emsw.exe
  • ent.exe
  • esafe.exe
  • escanhnt.exe
  • escanv95.exe
  • espwatch.exe
  • ethereal.exe
  • etrustcipe.exe
  • evpn.exe
  • exantivirus-cnet.exe
  • exe.avxw.exe
  • expert.exe
  • explore.exe
  • f-agnt95.exe
  • f-prot.exe
  • f-prot95.exe
  • f-stopw.exe
  • fact.exe
  • fameh32.exe
  • fast.exe
  • fch32.exe
  • fih32.exe
  • findviru.exe
  • firewall.exe
  • fixcfg.exe
  • fixfp.exe
  • fnrb32.exe
  • fp-win.exe
  • fp-win_trial.exe
  • fprot.exe
  • frmwrk32.exe
  • frw.exe
  • fsaa.exe
  • fsav.exe
  • fsav32.exe
  • fsav530stbyb.exe
  • fsav530wtbyb.exe
  • fsav95.exe
  • fsgk32.exe
  • fsm32.exe
  • fsma32.exe
  • fsmb32.exe
  • gator.exe
  • gav.exe
  • gbmenu.exe
  • gbn976rl.exe
  • gbpoll.exe
  • generics.exe
  • gmt.exe
  • guard.exe
  • guarddog.exe
  • guardgui.exe
  • hacktracersetup.exe
  • hbinst.exe
  • hbsrv.exe
  • History.exe
  • homeav2010.exe
  • hotactio.exe
  • hotpatch.exe
  • htlog.exe
  • htpatch.exe
  • hwpe.exe
  • hxdl.exe
  • hxiul.exe
  • iamapp.exe
  • iamserv.exe
  • iamstats.exe
  • ibmasn.exe
  • ibmavsp.exe
  • icload95.exe
  • icloadnt.exe
  • icmon.exe
  • icsupp95.exe
  • icsuppnt.exe
  • Identity.exe
  • idle.exe
  • iedll.exe
  • iedriver.exe
  • IEShow.exe
  • iface.exe
  • ifw2000.exe
  • inetlnfo.exe
  • infus.exe
  • infwin.exe
  • init.exe
  • init32.exe
  • install[1].exe
  • install[2].exe
  • install[3].exe
  • install[4].exe
  • install[5].exe
  • intdel.exe
  • intren.exe
  • iomon98.exe
  • istsvc.exe
  • jammer.exe
  • jdbgmrg.exe
  • jedi.exe
  • JsRcGen.exe
  • kavlite40eng.exe
  • kavpers40eng.exe
  • kavpf.exe
  • kazza.exe
  • keenvalue.exe
  • kerio-pf-213-en-win.exe
  • kerio-wrl-421-en-win.exe
  • kerio-wrp-421-en-win.exe
  • killprocesssetup161.exe
  • ldnetmon.exe
  • ldpro.exe
  • ldpromenu.exe
  • ldscan.exe
  • licmgr.exe
  • lnetinfo.exe
  • loader.exe
  • localnet.exe
  • lockdown.exe
  • lockdown2000.exe
  • lookout.exe
  • lordpe.exe
  • lsetup.exe
  • luall.exe
  • luau.exe
  • lucomserver.exe
  • luinit.exe
  • luspt.exe
  • MalwareRemoval.exe
  • mapisvc32.exe
  • mcagent.exe
  • mcmnhdlr.exe
  • mcmpeng.exe
  • mcmscsvc.exe
  • mcnasvc.exe
  • mcproxy.exe
  • McSACore.exe
  • mcshell.exe
  • mcshield.exe
  • mcsysmon.exe
  • mctool.exe
  • mcupdate.exe
  • mcvsrte.exe
  • mcvsshld.exe
  • md.exe
  • mfin32.exe
  • mfw2en.exe
  • mfweng3.02d30.exe
  • mgavrtcl.exe
  • mgavrte.exe
  • mghtml.exe
  • mgui.exe
  • minilog.exe
  • mmod.exe
  • monitor.exe
  • moolive.exe
  • mostat.exe
  • mpfagent.exe
  • mpfservice.exe
  • MPFSrv.exe
  • mpftray.exe
  • mrflux.exe
  • mrt.exe
  • msa.exe
  • msapp.exe
  • MSASCui.exe
  • msbb.exe
  • msblast.exe
  • mscache.exe
  • msccn32.exe
  • mscman.exe
  • msconfig
  • msdm.exe
  • msdos.exe
  • msiexec16.exe
  • mslaugh.exe
  • msmgt.exe
  • msmsgri32.exe
  • msseces.exe
  • mssmmc32.exe
  • mssys.exe
  • msvxd.exe
  • mu0311ad.exe
  • mwatch.exe
  • n32scanw.exe
  • nav.exe
  • navap.navapsvc.exe
  • navapsvc.exe
  • navapw32.exe
  • navdx.exe
  • navlu32.exe
  • navnt.exe
  • navstub.exe
  • navw32.exe
  • navwnt.exe
  • nc2000.exe
  • ncinst4.exe
  • ndd32.exe
  • neomonitor.exe
  • neowatchlog.exe
  • netarmor.exe
  • netd32.exe
  • netinfo.exe
  • netmon.exe
  • netscanpro.exe
  • netspyhunter-1.2.exe
  • netutils.exe
  • nisserv.exe
  • nisum.exe
  • nmain.exe
  • nod32.exe
  • normist.exe
  • norton_internet_secu_3.0_407.exe
  • notstart.exe
  • npf40_tw_98_nt_me_2k.exe
  • npfmessenger.exe
  • nprotect.exe
  • npscheck.exe
  • npssvc.exe
  • nsched32.exe
  • nssys32.exe
  • nstask32.exe
  • nsupdate.exe
  • nt.exe
  • ntrtscan.exe
  • ntvdm.exe
  • ntxconfig.exe
  • nui.exe
  • nupgrade.exe
  • nvarch16.exe
  • nvc95.exe
  • nvsvc32.exe
  • nwinst4.exe
  • nwservice.exe
  • nwtool16.exe
  • OAcat.exe
  • OAhlp.exe
  • OAReg.exe
  • oasrv.exe
  • oaui.exe
  • oaview.exe
  • ODSW.exe
  • ollydbg.exe
  • onsrvr.exe
  • optimize.exe
  • ostronet.exe
  • otfix.exe
  • outpost.exe
  • outpostinstall.exe
  • outpostproinstall.exe
  • ozn695m5.exe
  • padmin.exe
  • panixk.exe
  • patch.exe
  • pav.exe
  • pavcl.exe
  • PavFnSvr.exe
  • pavproxy.exe
  • pavprsrv.exe
  • pavsched.exe
  • pavsrv51.exe
  • pavw.exe
  • pc.exe
  • PC_Antispyware2010.exe
  • pccwin98.exe
  • pcfwallicon.exe
  • pcip10117_0.exe
  • pcscan.exe
  • pctsAuxs.exe
  • pctsGui.exe
  • pctsSvc.exe
  • pctsTray.exe
  • pdfndr.exe
  • pdsetup.exe
  • PerAvir.exe
  • periscope.exe
  • persfw.exe
  • personalguard
  • personalguard.exe
  • perswf.exe
  • pf2.exe
  • pfwadmin.exe
  • pgmonitr.exe
  • pingscan.exe
  • platin.exe
  • pop3trap.exe
  • poproxy.exe
  • popscan.exe
  • portdetective.exe
  • portmonitor.exe
  • powerscan.exe
  • ppinupdt.exe
  • pptbc.exe
  • ppvstop.exe
  • prizesurfer.exe
  • prmt.exe
  • prmvr.exe
  • procdump.exe
  • processmonitor.exe
  • procexplorerv1.0.exe
  • programauditor.exe
  • proport.exe
  • protector.exe
  • protectx.exe
  • PSANCU.exe
  • PSANHost.exe
  • PSANToManager.exe
  • PsCtrls.exe
  • PsImSvc.exe
  • PskSvc.exe
  • pspf.exe
  • PSUNMain.exe
  • purge.exe
  • qconsole.exe
  • qh.exe
  • qserver.exe
  • Quick Heal.exe
  • QuickHealCleaner.exe
  • rapapp.exe
  • rav7.exe
  • rav7win.exe
  • rav8win32eng.exe
  • ray.exe
  • rb32.exe
  • rcsync.exe
  • realmon.exe
  • reged.exe
  • regedt32.exe
  • rescue.exe
  • rescue32.exe
  • rrguard.exe
  • rscdwld.exe
  • rshell.exe
  • rtvscan.exe
  • rtvscn95.exe
  • rulaunch.exe
  • rwg
  • rwg.exe
  • SafetyKeeper.exe
  • safeweb.exe
  • sahagent.exe
  • Save.exe
  • SaveArmor.exe
  • SaveDefense.exe
  • SaveKeep.exe
  • savenow.exe
  • sbserv.exe
  • sc.exe
  • scam32.exe
  • scan32.exe
  • scan95.exe
  • scanpm.exe
  • scrscan.exe
  • Secure Veteran.exe
  • secureveteran.exe
  • Security Center.exe
  • SecurityFighter.exe
  • securitysoldier.exe
  • serv95.exe
  • setloadorder.exe
  • setup_flowprotector_us.exe
  • setupvameeval.exe
  • sgssfw32.exe
  • sh.exe
  • shellspyinstall.exe
  • shield.exe
  • shn.exe
  • showbehind.exe
  • signcheck.exe
  • smart.exe
  • smartprotector.exe
  • smc.exe
  • smrtdefp.exe
  • sms.exe
  • smss32.exe
  • snetcfg.exe
  • soap.exe
  • sofi.exe
  • SoftSafeness.exe
  • sperm.exe
  • spf.exe
  • sphinx.exe
  • spoler.exe
  • spoolcv.exe
  • spoolsv32.exe
  • spywarexpguard.exe
  • spyxx.exe
  • srexe.exe
  • srng.exe
  • ss3edit.exe
  • ssg_4104.exe
  • ssgrate.exe
  • st2.exe
  • start.exe
  • stcloader.exe
  • supftrl.exe
  • support.exe
  • supporter5.exe
  • svc.exe
  • svchostc.exe
  • svchosts.exe
  • svshost.exe
  • sweep95.exe
  • sweepnet.sweepsrv.sys.swnetsup.exe
  • symlcsvc.exe
  • symproxysvc.exe
  • symtray.exe
  • system.exe
  • system32.exe
  • sysupd.exe
  • tapinstall.exe
  • taumon.exe
  • tbscan.exe
  • tc.exe
  • tca.exe
  • tcm.exe
  • tds-3.exe
  • tds2-98.exe
  • tds2-nt.exe
  • teekids.exe
  • tfak.exe
  • tfak5.exe
  • tgbob.exe
  • titanin.exe
  • titaninxp.exe
  • TPSrv.exe
  • trickler.exe
  • trjscan.exe
  • trjsetup.exe
  • trojantrap3.exe
  • TrustWarrior.exe
  • tsadbot.exe
  • tsc.exe
  • tvmd.exe
  • tvtmd.exe
  • undoboot.exe
  • updat.exe
  • upgrad.exe
  • utpost.exe
  • vbcmserv.exe
  • vbcons.exe
  • vbust.exe
  • vbwin9x.exe
  • vbwinntw.exe
  • vcsetup.exe
  • vet32.exe
  • vet95.exe
  • vettray.exe
  • vfsetup.exe
  • vir-help.exe
  • virusmdpersonalfirewall.exe
  • VisthAux.exe
  • VisthLic.exe
  • VisthUpd.exe
  • vnlan300.exe
  • vnpc3000.exe
  • vpc32.exe
  • vpc42.exe
  • vpfw30s.exe
  • vptray.exe
  • vscan40.exe
  • vscenu6.02d30.exe
  • vsched.exe
  • vsecomr.exe
  • vshwin32.exe
  • vsisetup.exe
  • vsmain.exe
  • vsmon.exe
  • vsstat.exe
  • vswin9xe.exe
  • vswinntse.exe
  • vswinperse.exe
  • w32dsm89.exe
  • W3asbas.exe
  • w9x.exe
  • watchdog.exe
  • webdav.exe
  • WebProxy.exe
  • webscanx.exe
  • webtrap.exe
  • wfindv32.exe
  • whoswatchingme.exe
  • wimmun32.exe
  • win-bugsfix.exe
  • win32.exe
  • win32us.exe
  • winactive.exe
  • winav.exe
  • windll32.exe
  • window.exe
  • windows Police Pro.exe
  • windows.exe
  • wininetd.exe
  • wininitx.exe
  • _avp32.exe
  • _avpcc.exe
  • _avpm.exe
  • a.exe
  • aAvgApi.exe
  • AAWTray.exe
  • About.exe
  • ackwin32.exe
  • Ad-Aware.exe
  • adaware.exe
  • advxdwin.exe
  • AdwarePrj.exe
  • agent.exe
  • agentsvr.exe
  • agentw.exe
  • alertsvc.exe
  • alevir.exe
  • alogserv.exe
  • AlphaAV
  • AlphaAV.exe
  • AluSchedulerSvc.exe
  • amon9x.exe
  • anti-trojan.exe
  • Anti-Virus Professional.exe
  • AntispywarXP2009.exe
  • antivirus.exe
  • AntiVirus_Pro.exe
  • AntivirusPlus
  • AntivirusPlus.exe
  • AntivirusPro_2010.exe
  • AntivirusXP
  • AntivirusXP.exe
  • antivirusxppro2009.exe
  • ants.exe
  • apimonitor.exe
  • aplica32.exe
  • apvxdwin.exe
  • arr.exe
  • ashAvast.exe
  • ashBug.exe
  • ashChest.exe
  • ashCnsnt.exe
  • ashDisp.exe
  • ashLogV.exe
  • ashMaiSv.exe
  • ashPopWz.exe
  • ashQuick.exe
  • ashServ.exe
  • ashSimp2.exe
  • ashSimpl.exe
  • ashSkPcc.exe
  • ashSkPck.exe
  • ashUpd.exe
  • ashWebSv.exe
  • aswChLic.exe
  • aswRegSvr.exe
  • aswRunDll.exe
  • aswUpdSv.exe
  • atcon.exe
  • atguard.exe
  • atro55en.exe
  • atupdater.exe
  • atwatch.exe
  • au.exe
  • aupdate.exe
  • auto-protect.nav80try.exe
  • autodown.exe
  • autotrace.exe
  • autoupdate.exe
  • av360.exe
  • avadmin.exe
  • avastSvc.exe
  • avastUI.exe
  • AVCare.exe
  • avcenter.exe
  • avciman.exe
  • avconfig.exe
  • avconsol.exe
  • ave32.exe
  • AVENGINE.EXE
  • avgcc32.exe
  • avgchk.exe
  • avgcmgr.exe
  • avgcsrvx.exe
  • avgctrl.exe
  • avgdumpx.exe
  • avgemc.exe
  • avgiproxy.exe
  • avgnsx.exe
  • avgnt.exe
  • avgrsx.exe
  • avgscanx.exe
  • avgserv.exe
  • avgserv9.exe
  • avgsrmax.exe
  • avgtray.exe
  • avguard.exe
  • avgui.exe
  • avgupd.exe
  • avgw.exe
  • avgwdsvc.exe
  • avkpop.exe
  • avkserv.exe
  • avkservice.exe
  • avkwctl9.exe
  • avltmain.exe
  • avmailc.exe
  • avmcdlg.exe
  • avnotify.exe
  • avnt.exe
  • avp32.exe
  • winlogin.exe
  • winmain.exe
  • winppr32.exe
  • winrecon.exe
  • winservn.exe
  • winssk32.exe
  • winstart.exe
  • winstart001.exe
  • wintsk32.exe
  • winupdate.exe
  • wkufind.exe
  • wnad.exe
  • wnt.exe
  • wradmin.exe
  • wrctrl.exe
  • wsbgate.exe
  • wscfxas.exe
  • wscfxav.exe
  • wscfxfw.exe
  • wsctool.exe
  • wupdater.exe
  • wupdt.exe
  • wyvernworksfirewall.exe
  • xp_antispyware.exe
  • xpdeluxe.exe
  • xpf202en.exe
  • zapro.exe
  • zapsetup3001.exe
  • zatutor.exe
  • zonalm2601.exe
  • zonealarm.exe
  • ~1.exe
  • ~2.exe
  • avpcc.exe
  • avpdos32.exe

Download Routine

This Trojan accesses the following websites to download files:

  • http://dl.{BLOCKED}box.com/u/69432480/NPSWF32.z

It saves the files it downloads using the following names:

  • %User Profile%\Application Data\npswf32.tmp

(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)

As of this writing, the said sites are inaccessible.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}int.{BLOCKED}esecstorage.info/?0=149&1=1&2=1&3=44&4=i&5=2600&6=5&7=1&8=62900.2180&9=1033&10=420&11=0000&12=fmpltekpsu&14=0

It deletes the initially executed copy of itself