Analysis by: John Anthony Banes

ALIASES:

VirTool:WinNT/Rootkitdrv (Microsoft); W32/Rootkit.FKA (F-Prot); Trojan.Win32.KillAV.rjy (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Rootkit

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

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

  TECHNICAL DETAILS

File Size: 28,368 bytes
File Type: SYS
Memory Resident: Yes
Initial Samples Received Date: 15 Oct 2018
Payload: Terminates processes

Arrival Details

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

Process Termination

This Rootkit terminates the following processes if found running in the affected system's memory:

  • _avp32.exe
  • _avpcc.exe
  • _avpm.exe
  • @AAWTray.exe
  • a2cmd.exe
  • a2guard.exe
  • a2service.exe
  • a2start.exe
  • a2wizard.exe
  • aAvgApi.exe
  • ackwin32.exe
  • Ad-Aware.exe
  • adaware.exe
  • advxdwin.exe
  • agentsvr.exe
  • agentw.exe
  • alertsvc.exe
  • alevir.exe
  • alogserv.exe
  • amon9x.exe
  • anti-trojan.exe
  • antivirus.exe
  • ants.exe
  • apimonitor.exe
  • aplica32.exe
  • apvxdwin.exe
  • arr.exe
  • ashQuick.exe
  • ashUpd.exe
  • aswChLic.exe
  • aswOfferTool.exe
  • aswWrcIELoader32.exe
  • aswWrcIELoader64.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
  • avast_free_antivirus_setup_online.exe
  • AvastNM.exe
  • AvastPE2.exe
  • AvastSvc.exe
  • AvastUI.exe
  • avconsol.exe
  • ave32.exe
  • AvEmUpdate.exe
  • avgcc32.exe
  • avgctrl.exe
  • avgemc.exe
  • avgnt.exe
  • avgrsx.exe
  • avgserv.exe
  • avgserv9.exe
  • avguard.exe
  • avgw.exe
  • avkpop.exe
  • avkserv.exe
  • avkservice.exe
  • avkwctl9.exe
  • AvLaunch.exe
  • avltmain.exe
  • avnt.exe
  • avp.exe
  • avp32.exe
  • avpcc.exe
  • avpdos32.exe
  • avpm.exe
  • avptc32.exe
  • avpupd.exe
  • avsched32.exe
  • avsynmgr.exe
  • avwin.exe
  • avwin95.exe
  • avwinnt.exe
  • avwupd.exe
  • avwupd32.exe
  • avwupsrv.exe
  • avxmonitor9x.exe
  • avxmonitornt.exe
  • avxquar.exe
  • backweb.exe
  • bargains.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
  • bs120.exe
  • bvt.exe
  • callmsi.exe
  • ccapp.exe
  • ccevtmgr.exe
  • ccpxysvc.exe
  • cdp.exe
  • cfd.exe
  • cfgwiz.exe
  • cfiadmin.exe
  • cfiaudit.exe
  • cfinet.exe
  • cfinet32.exe
  • claw95.exe
  • claw95cf.exe
  • cleaner.exe
  • cleaner3.exe
  • cleanpc.exe
  • click.exe
  • cmesys.exe
  • cmgrdian.exe
  • cmon016.exe
  • CommService.exe
  • connectionmonitor.exe
  • cpd.exe
  • cpf9x206.exe
  • cpfnt206.exe
  • ctrl.exe
  • cv.exe
  • cwnb181.exe
  • cwntdwmo.exe
  • datemanager.exe
  • dcomx.exe
  • defalert.exe
  • defscangui.exe
  • defwatch.exe
  • deputy.exe
  • divx.exe
  • dllcache.exe
  • dllreg.exe
  • doors.exe
  • dpf.exe
  • dpfsetup.exe
  • dpps2.exe
  • drwatson.exe
  • drweb32.exe
  • drwebupw.exe
  • dssagent.exe
  • dvp95_0.exe
  • dvp95.exe
  • eCapture.exe
  • ecengine.exe
  • ecls.exe
  • ecmd.exe
  • ecmds.exe
  • eComServer.exe
  • eeclnt.exe
  • efpeadm.exe
  • egui.exe
  • ekrn.exe
  • EmDmp.exe
  • EmsiClean.exe
  • EmsisoftAntiMalwareSetup.exe
  • emsw.exe
  • ent.exe
  • eOPPFrame.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
  • fameh32.exe
  • fast.exe
  • fch32.exe
  • fih32.exe
  • findviru.exe
  • fnrb32.exe
  • fp-win_trial.exe
  • fp-win.exe
  • fprot.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
  • gbmenu.exe
  • gbpoll.exe
  • generics.exe
  • gmt.exe
  • gsam.exe
  • guard.exe
  • guarddog.exe
  • hacktracersetup.exe
  • hbinst.exe
  • hbsrv.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
  • idle.exe
  • iedll.exe
  • iedriver.exe
  • iface.exe
  • ifw2000.exe
  • inetlnfo.exe
  • infus.exe
  • infwin.exe
  • init.exe
  • intdel.exe
  • intren.exe
  • iomon98.exe
  • istsvc.exe
  • jammer.exe
  • jdbgmrg.exe
  • jedi.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
  • kernel32.exe
  • killprocesssetup161.exe
  • ldnetmon.exe
  • ldpro.exe
  • ldpromenu.exe
  • ldscan.exe
  • lnetinfo.exe
  • localnet.exe
  • lockdown.exe
  • lockdown2000.exe
  • lookout.exe
  • lordpe.exe
  • lsetup.exe
  • luall.exe
  • luau.exe
  • lucomserver.exe
  • luinit.exe
  • luspt.exe
  • malwarebytes_assistant.exe
  • mapisvc32.exe
  • mbam.exe
  • MbamPt.exe
  • MBAMService.exe
  • mbamtray.exe
  • MBAMWsc.exe
  • mcagent.exe
  • mcmnhdlr.exe
  • mcshield.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
  • mpftray.exe
  • mrflux.exe
  • msapp.exe
  • MSASCui.exe
  • msbb.exe
  • msblast.exe
  • mscache.exe
  • msccn32.exe
  • mscman.exe
  • msdm.exe
  • msdos.exe
  • msiexec16.exe
  • msinfo32.exe
  • mslaugh.exe
  • msmgt.exe
  • msmsgri32.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
  • netstat.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
  • ollydbg.exe
  • onsrvr.exe
  • optimize.exe
  • ostronet.exe
  • otfix.exe
  • outpost.exe
  • outpostinstall.exe
  • outpostproinstall.exe
  • padmin.exe
  • panixk.exe
  • patch.exe
  • pavcl.exe
  • pavproxy.exe
  • pavsched.exe
  • pavw.exe
  • pccwin98.exe
  • pcfwallicon.exe
  • pcip10117_0.exe
  • pcscan.exe
  • pdsetup.exe
  • periscope.exe
  • persfw.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
  • protectx.exe
  • pspf.exe
  • qconsole.exe
  • qserver.exe
  • rapapp.exe
  • rav7.exe
  • rav7win.exe
  • rav8win32eng.exe
  • rb32.exe
  • rcsync.exe
  • realmon.exe
  • reged.exe
  • rescue.exe
  • rescue32.exe
  • rrguard.exe
  • rshell.exe
  • rtvscan.exe
  • rtvscn95.exe
  • rulaunch.exe
  • run32dll.exe
  • rundll.exe
  • rundll16.exe
  • ruxdll32.exe
  • safeweb.exe
  • sahagent.exe
  • savenow.exe
  • sbserv.exe
  • scam32.exe
  • scan32.exe
  • scan95.exe
  • scanpm.exe
  • sched.exe
  • scrscan.exe
  • serv95.exe
  • setup_flowprotector_us.exe
  • setupvameeval.exe
  • sfc.exe
  • sgssfw32.exe
  • shellspyinstall.exe
  • shn.exe
  • showbehind.exe
  • smss32.exe
  • soap.exe
  • sofi.exe
  • speclean.exe
  • sperm.exe
  • spf.exe
  • sphinx.exe
  • spoler.exe
  • spoolcv.exe
  • spoolsv32.exe
  • spyxx.exe
  • srexe.exe
  • srng.exe
  • ss3edit.exe
  • ssg_4104.exe
  • ssgrate.exe
  • st2.exe
  • stcloader.exe
  • supftrl.exe
  • svchostc.exe
  • svchosts.exe
  • svshost.exe
  • sweep95.exe
  • sweepnet.sweepsrv.sys.swnetsup.exe
  • symproxysvc.exe
  • SysInspector.exe
  • sysupd.exe
  • tbscan.exe
  • tcm.exe
  • tds-3.exe
  • tds2-98.exe
  • tds2-nt.exe
  • teekids.exe
  • tfak.exe
  • tfak5.exe
  • tgbob.exe
  • titanin.exe
  • titaninxp.exe
  • tracert.exe
  • trickler.exe
  • trjscan.exe
  • trjsetup.exe
  • trojantrap3.exe
  • tsadbot.exe
  • tvmd.exe
  • tvtmd.exe
  • undoboot.exe
  • updat.exe
  • update.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
  • 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
  • w9x.exe
  • watchdog.exe
  • webdav.exe
  • webscanx.exe
  • webtrap.exe
  • wfindv32.exe
  • whoswatchingme.exe
  • wimmun32.exe
  • win-bugsfix.exe
  • win32.exe
  • win32us.exe
  • winactive.exe
  • window.exe
  • windows.exe
  • wininetd.exe
  • wininitx.exe
  • winlogin.exe
  • winmain.exe
  • winnet.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
  • wsc_proxy.exe
  • wupdater.exe
  • wupdt.exe
  • wyvernworksfirewall.exe
  • xpf202en.exe
  • ZAM.exe
  • zapro.exe
  • zapsetup3001.exe
  • zatutor.exe
  • Zemana.AntiMalware.Setup.exe
  • zonalm2601.exe
  • zonealarm.exe

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.672.01
FIRST VSAPI PATTERN DATE: 06 Dec 2018
VSAPI OPR PATTERN File: 14.673.00
VSAPI OPR PATTERN Date: 07 Dec 2018

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

Scan your computer with your Trend Micro product to delete files detected as Rootkit.Win32.KILLAV.A. 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 the following Trend Micro Support pages for more information:


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