TROJ_FAKEAV.JDR

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 does not have any propagation routine.

It does not have any backdoor routine.

It does not have any downloading capability.

It does not have any proxy server routine.

It installs a fake antivirus/antispyware software. It displays fake alerts that warn users of infection. It also displays fake scanning results of the affected system. It then asks for users to purchase it once scanning is completed. If users decide to purchase the rogue product, users are directed to a certain website asking for sensitive information, such as credit card numbers. When users agree to buy the software, it connects to a certain URL.

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 and executes them:

• %User Profile%\Application Data\Protector-{4 random characters}.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.)

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-{4 random characters}.exe"

Other System Modifications

This Trojan adds the following registry entries as part of its installation routine:

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
UID = "{random string}"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
ID = "f"

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Settings
net = "{yyyy-dd-mm_random number}"

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"

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Dropping Routine

This Trojan drops the following files:

• %System Root%\Documents and Settings\All Users\Start Menu\Programs\Windows Managing System.lnk
• %User Profile%\Application Data\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#local\settings.sol
• %Desktop%\Windows Managing System.lnk

Download Routine

This Trojan does not have any downloading capability.

Proxy Server Routine

This Trojan does not have any proxy server routine.

Rogue Antivirus Routine

This Trojan installs a fake antivirus/antispyware software.

It displays fake alerts that warn users of infection. It also displays fake scanning results of the affected system. It then asks for users to purchase it once scanning is completed. If users decide to purchase the rogue product, users are directed to a certain website asking for sensitive information, such as credit card numbers.

When users agree to buy the software, it connects to the following URL to continue the purchase:

• http://{BLOCKED}t.coolsecupdate.info/?0=149&1=15&2=1&3=38&4=i&5=2600&6=5&7=1&8=62900.5512&9=1033&10=-480&11=0000&12={random string}&14=0

NOTES:

It displays the following indicating its installation:

It displays the following graphical user interface (GUI) and pretends to scan the system:

It poses as a legitimate antivirus application indicating that the system is either infected or compromised:

It may prevent an executed application from running:

If the user agrees to clean or repair the system, the following message is shown:

If the user agrees to purchase the software, they are redirected to the following page:

It posts gathered information to the following URL:

• http://{BLOCKED}t.coolsecupdate.info/?0=149&1=15&2=1&3=38&4=i&5=2600&6=5&7=1&8=62900.5512&9=1033&10=-480&11=0000&12={random string}&14=0

It also prevents the execution of several security related processes by creating the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe
Debugger="%User Profile%\Application Data\Protector-{4 random characters}.exe reg"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe
Debugger="%User Profile%\Application Data\Protector-{3 random characters}.exe task"

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

Where {Application name} is one of the following:

• 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
• AntivirusPlus
• AntivirusPlus.exe
• AntivirusPro_2010.exe
• AntivirusXP
• AntivirusXP.exe
• antivirusxppro2009.exe
• AntiVirus_Pro.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
• avpcc.exe
• avpdos32.exe
• 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
• bdfvcl.exe
• bdfvwiz.exe
• BDInProcPatch.exe
• bdmcon.exe
• BDMsnScan.exe
• BDSurvey.exe
• bd_professional.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
• pccwin98.exe
• pcfwallicon.exe
• pcip10117_0.exe
• pcscan.exe
• pctsAuxs.exe
• pctsGui.exe
• pctsSvc.exe
• pctsTray.exe
• PC_Antispyware2010.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
• regedit.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
• setupvameeval.exe
• setup_flowprotector_us.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
• ssgrate.exe
• ssg_4104.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
• taskmgr.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
• 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
• xpdeluxe.exe
• xpf202en.exe
• xp_antispyware.exe
• zapro.exe
• zapsetup3001.exe
• zatutor.exe
• zonalm2601.exe
• zonealarm.exe
• _avp32.exe
• _avpcc.exe
• _avpm.exe
• ~1.exe
• ~2.exe

Other Details

This Trojan connects to the following URL(s) to get the affected system's IP address:

• http://{BLOCKED}ip.info/

Some of variants delete the initially executed copy of itself.

It does not have rootkit capabilities.

It does not exploit any vulnerability.