Analysis by: Alyssa Christelle Ramos

ALIASES:

Trojan-Ransom.Snake(IKARUS);Filecoder.Snake.A trojan(NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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

It drops files as ransom note.

  TECHNICAL DETAILS

File Size: 3,718,656 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 26 Dec 2019
Payload: Encrypts files, Displays message/message boxes

Arrival Details

This Ransomware 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 Ransomware adds the following mutexes to ensure that only one of its copies runs at any one time:

  • Global\EKANS

Process Termination

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

  • &gc
  • a2guard.exe
  • a2service.exe
  • a2start.exe
  • aawservice.exe
  • acaas.exe
  • acaegmgr.exe
  • acaif.exe
  • acais.exe
  • acctmgr.exe
  • aclient.exe
  • aclntusr.exe
  • ad-aware2007.exe
  • administrator.exe
  • adminserver.exe
  • aesecurityservice.exe
  • aexagentuihost.exe
  • aexnsagent.exe
  • aexnsrcvsvc.exe
  • aexsvc.exe
  • aexswdusr.exe
  • aflogvw.exe
  • afwserv.exe
  • agntsvc.exe
  • agt.exe
  • ahnrpt.exe
  • ahnsd.exe
  • ahnsdsv.exe
  • alert.exe
  • alertsvc.exe
  • almon.exe
  • alogserv.exe
  • alsvc.exe
  • alunotify.exe
  • alupdate.exe
  • aluschedulersvc.exe
  • amsvc.exe
  • amswmagtcaf.exe
  • anvir.exe
  • aphost.exe
  • appsvc32.exe
  • aps.exe
  • apvxdwin.exe
  • ashavast.exe
  • ashbug.exe
  • ashchest.exe
  • ashcmd.exe
  • ashdisp.exe
  • ashenhcd.exe
  • ashlogv.exe
  • ashmaisv.exe
  • ashpopwz.exe
  • ashquick.exe
  • ashserv.exe
  • ashsimp2.exe
  • ashsimpl.exe
  • ashskpcc.exe
  • ashskpck.exe
  • ashupd.exe
  • ashwebsv.exe
  • asupport.exe
  • aswdisp.exe
  • aswregsvr.exe
  • aswserv.exe
  • aswupdsv.exe
  • aswwebsv.exe
  • atrshost.exe
  • atwsctsk.exe
  • aupdrun.exe
  • aus.exe
  • auth8021x.exe
  • autoup.exe
  • avadmin.exe
  • avagent.exe
  • avastemupdate.exe
  • avastsvc.exe
  • avastui.exe
  • avcenter.exe
  • avconfig.exe
  • avconsol.exe
  • avengine.exe
  • avesvc.exe
  • avfwsvc.exe
  • avgam.exe
  • avgamsvr.exe
  • avgas.exe
  • avgcc.exe
  • avgcc32.exe
  • avgcefrend.exe
  • avgchsvx.exe
  • avgcmgr.exe
  • avgcsrva.exe
  • avgcsrvx.exe
  • avgctrl.exe
  • avgdiag.exe
  • avgemc.exe
  • avgemca.exe
  • avgemcx.exe
  • avgfws.exe
  • avgfws8.exe
  • avgfws9.exe
  • avgfwsrv.exe
  • avgidsagent.exe
  • avgidsmonitor.exe
  • avgidsui.exe
  • avgidswatcher.exe
  • avginet.exe
  • avgmfapx.exe
  • avgmsvr.exe
  • avgnsa.exe
  • avgnsx.exe
  • avgnt.exe
  • avgregcl.exe
  • avgrsa.exe
  • avgrssvc.exe
  • avgrsx.exe
  • avgscanx.exe
  • avgserv.exe
  • avgserv9.exe
  • avgsvc.exe
  • avgsystx.exe
  • avgtray.exe
  • avguard.exe
  • avgui.exe
  • avgupd.exe
  • avgupdln.exe
  • avgupsvc.exe
  • avgvv.exe
  • avgw.exe
  • avgwb.dat
  • avgwdsvc.exe
  • avgwizfw.exe
  • avira.servicehost.exe
  • avira.systray.exe
  • avkproxy.exe
  • avkservice.exe
  • avktray.exe
  • avkwctl.exe
  • avltmain.exe
  • avmailc.exe
  • avmcdlg.exe
  • avnotify.exe
  • avp.exe
  • avpcc.exe
  • avpdtagt.exe
  • avpexe
  • avpm.exe
  • avpncc.exe
  • avps.exe
  • avpui.exe
  • avpupd.exe
  • avscan.exe
  • avscc.exe
  • avserver.exe
  • avshadow.exe
  • avsynmgr.exe
  • avtask.exe
  • avwebgrd.exe
  • basfipm.exe
  • bavtray.exe
  • bcreporter.exe
  • bcrservice.exe
  • bdagent.exe
  • bdc.exe
  • bdlite.exe
  • bdmcon.exe
  • bdredline.exe
  • bdss.exe
  • bdsubmit.exe
  • bhipssvc.exe
  • bka.exe
  • bkavsystemserver.exe
  • blackd.exe
  • blackice.exe
  • bluestripecollector.exe
  • blupro.exe
  • bmrt.exe
  • bullguard.exe
  • bullguardbhvscanner.exe
  • bullguardscanner.exe
  • bullguardtray.exe
  • bullguardupdate.exe
  • bwgo0000fspc.exe
  • ca.exe
  • caantispyware.exe
  • caav.exe
  • caavcmdscan.exe
  • caavguiscan.exe
  • caf.exe
  • cafw.exe
  • caissdt.exe
  • calogdump.exe
  • capfaem.exe
  • capfasem.exe
  • capfsem.exe
  • capmuamagt.exe
  • cappactiveprotection.exe
  • casc.exe
  • casecuritycenter.exe
  • caunst.exe
  • cavrep.exe
  • cavrid.exe
  • cavscan.exe
  • cavtray.exe
  • ccap.exe
  • ccapp.exe
  • ccemflsv.exe
  • ccenter.exe
  • ccevtmgr.exe
  • ccflic0.exe
  • ccflic4.exe
  • cclaw.exe
  • ccm messaging.exe
  • ccnfagent.exe
  • ccprovsp.exe
  • ccproxy.exe
  • ccpxysvc.exe
  • ccschedulersvc.exe
  • ccsetmgr.exe
  • ccsmagtd.exe
  • ccsvchst.exe
  • ccsystemreport.exe
  • cctray.exe
  • ccupdate.exe
  • cdm.exe
  • certificateprovider.exe
  • certificationmanagerservicent.exe
  • cfftplugin.exe
  • cfnotsrvd.exe
  • cfp.exe
  • cfpconfg.exe
  • cfpconfig.exe
  • cfplogvw.exe
  • cfpsbmit.exe
  • cfpupdat.exe
  • cfsmsmd.exe
  • checkup.exe
  • chrome.exe
  • cis.exe
  • cistray.exe
  • cka.exe
  • clamscan.exe
  • clamtray.exe
  • clamwin.exe
  • client.exe
  • client64.exe
  • clps.exe
  • clpsla.exe
  • clpsls.exe
  • clshield.exe
  • cmdagent.exe
  • cmdinstall.exe
  • cmgrdian.exe
  • cntaosmgr.exe
  • collwrap.exe
  • comhost.exe
  • config_api_service.exe
  • console.exe
  • control_panel.exe
  • coreframeworkhost.exe
  • coreserviceshell.exe
  • cpd.exe
  • cpdclnt.exe
  • cpf.exe
  • cpntsrv.exe
  • cramtray.exe
  • crashrep.exe
  • crdm.exe
  • crssvc.exe
  • csacontrol.exe
  • csadmin.exe
  • csauth.exe
  • csdbsync.exe
  • csfalconservice.exe
  • csinject.exe
  • csinsm32.exe
  • csinsmnt.exe
  • cslog.exe
  • csmon.exe
  • csradius.exe
  • csrss_tc.exe
  • cssauth.exe
  • cstacacs.exe
  • ctdataload.exe
  • cwbunnav.exe
  • cylancesvc.exe
  • cylanceui.exe
  • dao_log.exe
  • dbeng50.exe
  • dbserv.exe
  • dbsnmp.exe
  • dbsrv9.exe
  • defwatch.exe
  • defwatchrnav.exe
  • deloeminfs.exe
  • deteqt.agent.exe
  • diskmon.exe
  • djsnetcn.exe
  • dlservice.exe
  • dltray.exe
  • dolphincharge.e
  • dolphincharge.exe
  • doscan.exe
  • dpmra.exe
  • dr_serviceengine.exe
  • drwagntd.exe
  • drwagnui.exe
  • drweb.exe
  • drweb32.exe
  • drweb32w.exe
  • drweb386.exe
  • drwebcgp.exe
  • drwebcom.exe
  • drwebdc.exe
  • drwebmng.exe
  • drwebscd.exe
  • drwebupw.exe
  • drwebwcl.exe
  • drwebwin.exe
  • drwinst.exe
  • drwupgrade.exe
  • dsmcad.exe
  • dsmcsvc.exe
  • dwarkdaemon.exe
  • dwengine.exe
  • dwhwizrd.exe
  • dwnetfilter.exe
  • dwrcst.exe
  • dwwin.exe
  • edisk.exe
  • eeyeevnt.exe
  • egui.exe
  • ehttpsrv.exe
  • ekrn.exe
  • elogsvc.exe
  • emlibupdateagentnt.exe
  • emlproui.exe
  • emlproxy.exe
  • encsvc.exe
  • endpointsecurity.exe
  • engineserver.exe
  • entitymain.exe
  • epmd.exe
  • era.exe
  • erlsrv.exe
  • esecagntservice.exe
  • esecservice.exe
  • esmagent.exe
  • etagent.exe
  • etconsole3.exe
  • etcorrel.exe
  • etloganalyzer.exe
  • etreporter.exe
  • etrssfeeds.exe
  • etscheduler.exe
  • etwcontrolpanel.exe
  • euqmonitor.exe
  • eventparser.exe
  • evtarmgr.exe
  • evtmgr.exe
  • evtprocessecfile.exe
  • ewidoctrl.exe
  • ewidoguard.exe
  • excel.exe
  • exe
  • explicit.exe
  • fameh32.exe
  • fcappdb.exe
  • fcdblog.exe
  • fch32.exe
  • fchelper64.exe
  • fcsms.exe
  • fcssas.exe
  • fih32.exe
  • firefox.exe
  • firefoxconfig.exe
  • firesvc.exe
  • firetray.exe
  • firewallgui.exe
  • fmon.exe
  • fnplicensingservice.exe
  • forcefield.exe
  • fortiesnac.exe
  • fortifw.exe
  • fortiproxy.exe
  • fortisslvpndaemon.exe
  • fortitray.exe
  • fortiwf.exe
  • fpavserver.exe
  • fprottray.exe
  • frameworkservic
  • frameworkservic.exe
  • frameworkservice.exe
  • frzstate2k.exe
  • fsaa.exe
  • fsaua.exe
  • fsav32.exe
  • fsavgui.exe
  • fscuif.exe
  • fsdfwd.exe
  • fsgk32.exe
  • fsgk32st.exe
  • fsguidll.exe
  • fsguiexe
  • fshdll32.exe
  • fshoster32.exe
  • fshoster64.exe
  • fsm32.exe
  • fsma32.exe
  • fsmb32.exe
  • fsorsp.exe
  • fspc.exe
  • fspex.exe
  • fsqh.exe
  • fssm32.exe
  • fwcfg.exe
  • fwinst.exe
  • fws.exe
  • gcascleaner.exe
  • gcasdtserv.exe
  • gcasinstallhelper.exe
  • gcasnotice.exe
  • gcasserv.exe
  • gcasservalert.exe
  • gcasswupdater.exe
  • gdfirewalltray.exe
  • gdfwsvc.exe
  • gdscan.exe
  • gfireporterservice.exe
  • ghost_2.exe
  • ghosttray.exe
  • giantantispywaremain.exe
  • giantantispywareupdater.exe
  • googlecrashhandler.exe
  • googlecrashhandler64.exe
  • googleupdate.exe
  • guard.exe
  • guardgui.exe
  • gziface.exe
  • gzserv.exe
  • hasplmv.exe
  • hdb.exe
  • healthservice.exe
  • hpqwmiex.exe
  • hwapi.exe
  • icepack.exe
  • idsinst.exe
  • iface.exe
  • igateway.exe
  • ilicensesvc.exe
  • inet_gethost.exe
  • infopath.exe
  • inicio.exe
  • inonmsrv.exe
  • inorpc.exe
  • inort.exe
  • inotask.exe
  • inoweb.exe
  • isafe.exe
  • isafinst.exe
  • isntsmtp.exe
  • isntsysmonitor
  • ispwdsvc.exe
  • isqlplussvc.exe
  • isscsf.exe
  • issdaemon.exe
  • issvc.exe
  • isuac.exe
  • iswmgr.exe
  • itmrt_supportdiagnostics.exe
  • itmrt_trace.exe
  • itmrtsvc.exe
  • ixaptsvc.exe
  • ixavsvc.exe
  • ixfwsvc.exe
  • kabackreport.exe
  • kaccore.exe
  • kanmcmain.exe
  • kansgui.exe
  • kansvr.exe
  • kastray.exe
  • kav.exe
  • kav32.exe
  • kavadapterexe
  • kavfs.exe
  • kavfsgt.exe
  • kavfsrcn.exe
  • kavfsscs.exe
  • kavfswp.exe
  • kavisarv.exe
  • kavlotsingleton.exe
  • kavmm.exe
  • kavshell.exe
  • kavss.exe
  • kavstart.exe
  • kavsvc.exe
  • kavtray.exe
  • kb891711.exe
  • keysvc.exe
  • kis.exe
  • kislive.exe
  • kissvc.exe
  • klnacserver.exe
  • klnagent.exe
  • klserver.exe
  • klswd.exe
  • klwtblfs.exe
  • kmailmon.exe
  • knownsvr.exe
  • knupdatemain.exe
  • kpf4gui.exe
  • kpf4ss.exe
  • kpfw32.exe
  • kpfwsvc.exe
  • krbcc32s.exe
  • kswebshield.exe
  • kvdetech.exe
  • kvmonxp.kxp
  • kvmonxp_2.kxp
  • kvolself.exe
  • kvsrvxp.exe
  • kvsrvxp_1.exe
  • kvxp.kxpfssm32.exe
  • kwatch.exe
  • kwsprod.exe
  • kxeserv.exe
  • leventmgr.exe
  • livesrv.exe
  • lmon.exe
  • log_qtine.exe
  • loggetor.exe
  • loggingserver.exe
  • luall.exe
  • lucallbackproxy.exe
  • lucoms.exe
  • lucoms~1.exe
  • lucomserver.exe
  • lwdmserver.exe
  • macmnsvc.exe
  • macompatsvc.exe
  • managementagenthost.exe
  • managementagentnt.exe
  • masalert.exe
  • massrv.exe
  • masvc.exe
  • mbamservice.exe
  • mbamtray.exe
  • mcafeedatabackup.exe
  • mcagent.exe
  • mcapexe
  • mcappins.exe
  • mcconsol.exe
  • mcdash.exe
  • mcdetect.exe
  • mcepoc.exe
  • mcepocfg.exe
  • mcinfo.exe
  • mcmnhdlr.exe
  • mcmscsvc.exe
  • mcnasvc.exe
  • mcods.exe
  • mcpalmcfg.exe
  • mcpromgr.exe
  • mcproxy.exe
  • mcregwiz.exe
  • mcsacore.exe
  • mcscript_inuse.exe
  • mcshell.exe
  • mcshield.exe
  • mcshld9x.exe
  • mcsvhost.exe
  • mcsysmon.exe
  • mctray.exe
  • mctskshd.exe
  • mcui32.exe
  • mcuimgr.exe
  • mcupdate.exe
  • mcupdmgr.exe
  • mcvsftsn.exe
  • mcvsrte.exe
  • mcvsshld.exe
  • mcwce.exe
  • mcwcecfg.exe
  • mfeann.exe
  • mfecanary.exe
  • mfeesp.exe
  • mfefire.exe
  • mfefw.exe
  • mfehcs.exe
  • mfemactl.exe
  • mfemms.exe
  • mfetp.exe
  • mfevtps.exe
  • mfewc.exe
  • mfewch.exe
  • mgavrtcl.exe
  • mghtml.exe
  • mgntsvc.exe
  • monitoringhost.exe
  • monsvcnt.exe
  • monsysnt.exe
  • mpcmdrun.exe
  • mpf.exe
  • mpfagent.exe
  • mpfconsole.exe
  • mpfservice.exe
  • mpfsrv.exe
  • mpftray.exe
  • mps.exe
  • mpsevh.exe
  • mpsvc.exe
  • mrf.exe
  • msaccess.exe
  • msascui.exe
  • mscifapp.exe
  • msdtssrvr.exe
  • msftesql.exe
  • mskagent.exe
  • mskdetct.exe
  • msksrver.exe
  • msksrvr.exe
  • msmdsrv.exe
  • msmpeng.exe
  • mspmspsv.exe
  • mspub.exe
  • msscli.exe
  • msseces.exe
  • msssrv.exe
  • musnotificationux.exe
  • myagttry.exe
  • mydesktopqos.exe
  • mydesktopservice.exe
  • mysqld.exe
  • mysqld-nt.exe
  • mysqld-opt.exe
  • n.exe
  • nailgpip.exe
  • naprdmgr.exe
  • navapsvc.exe
  • navapw32.exe
  • navectrl.exe
  • navelog.exe
  • navesp.exe
  • navshcom.exe
  • ncdaemon.exe
  • nd2svc.exe
  • ndetect.exe
  • ndrvs.exe
  • ndrvx.exe
  • neotrace.exe
  • nerosvc.exe
  • netalertclient.exe
  • netcfg.exe
  • netsession_win.exe
  • networkagent.exe
  • ngctw32.exe
  • ngserver.exe
  • nimbus.exe
  • nimcluster.exe
  • nip.exe
  • nipsvc.exe
  • nisoptui.exe
  • nisserv.exe
  • nissrv.exe
  • nisum.exe
  • njeeves.exe
  • nlclient.exe
  • nlsvc.exe
  • nmagent.exe
  • nmain.exe
  • nod32.exe
  • nod32krn.exe
  • nod32kui.exe
  • nod32view.exe
  • nortonsecurity.exe
  • npfmntor.exe
  • npfmsg.exe
  • npfmsg2.exe
  • npfsvice.exe
  • npmdagent.exe
  • nprotect.exe
  • npscheck.exe
  • npssvc.exe
  • nrmenctb.exe
  • nscsrvce.exe
  • nsctop.exe
  • nslocollectorservice.exe
  • nsmdemf.exe
  • nsmdmon.exe
  • nsmdreal.exe
  • nsmdsch.exe
  • nsmdtr.exe
  • ntcaagent.exe
  • ntcadaemon.exe
  • ntcaservice.exe
  • ntevl.exe
  • ntrtscan.exe
  • ntservices.exe
  • nvcoas.exe
  • nvcsched.exe
  • nymse.exe
  • oasclnt.exe
  • ocautoupds.exe
  • ocomm.exe
  • ocssd.exe
  • oespamtest.exe
  • ofcdog.exe
  • ofcpfwsvc.exe
  • okclient.exe
  • olfsnt40.exe
  • omniagent.exe
  • omslogmanager.exe
  • omtsreco.exe
  • onenote.exe
  • onlinent.exe
  • onlnsvc.exe
  • op_viewer.exe
  • opscan.exe
  • oracle.exe
  • outlook.exe
  • outpost.exe
  • paamsrv.exe
  • padfsvr.exe
  • pagent.exe
  • pagentwd.exe
  • pasystemtray.exe
  • patch.exe
  • patrolagent.exe
  • patrolperf.exe
  • pavbckpt.exe
  • pavfires.exe
  • pavfnsvr.exe
  • pavjobs.exe
  • pavkre.exe
  • pavmail.exe
  • pavprot.exe
  • pavprsrv.exe
  • pavreport.exe
  • pavsched.exe
  • pavsrv50.exe
  • pavsrv51.exe
  • pavsrv52.exe
  • pavupg.exe
  • paxton.net2.clientservice.exe
  • paxton.net2.commsserverservice.exe
  • pccclient.exe
  • pccguide.exe
  • pcclient.exe
  • pccnt.exe
  • pccntmon.exe
  • pccntupd.exe
  • pccpfw.exe
  • pcctlcom.exe
  • pcscan.exe
  • pcscm.exe
  • pcscnsrv.exe
  • pcsws.exe
  • pctsauxs.exe
  • pctsgui.exe
  • pctssvc.exe
  • pctstray.exe
  • pep.exe
  • persfw.exe
  • pmgreader.exe
  • pmon.exe
  • pnmsrv.exe
  • pntiomon.exe
  • pop3pack.exe
  • pop3trap.exe
  • poproxy.exe
  • powerpnt.exe
  • ppclean.exe
  • ppctlpriv.exe
  • ppmcativedetection.exe
  • ppppwallrun.exe
  • pqibrowser.exe
  • pqv2isvc.exe
  • pralarmmgr.exe
  • prcalculationmgr.exe
  • prconfigmgr.exe
  • prdatabasemgr.exe
  • premailengine.exe
  • preventmgr.exe
  • prevsrv.exe
  • prftpengine.exe
  • prgateway.exe
  • printdevice.exe
  • privacyiconclient.exe
  • prlicensemgr.exe
  • procexp.exe
  • proficy administrator.exe
  • proficyclient.exe
  • proficypublisherservice.exe
  • proficyserver.exe
  • proficysts.exe
  • proutil.exe
  • prprintserver.exe
  • prproficymgr.exe
  • prrds.exe
  • prreader.exe
  • prrouter.exe
  • prschedulemgr.exe
  • prstubber.exe
  • prsummarymgr.exe
  • prunsrv.exe
  • prwriter.exe
  • psanhost.exe
  • psctris.exe
  • psctrls.exe
  • psh_svc.exe
  • pshost.exe
  • psimreal.exe
  • psimsvc.exe
  • pskmssvc.exe
  • psuamain.exe
  • psuaservice.exe
  • pthosttr.exe
  • pview.exe
  • pviewer.exe
  • pwdfilthelp.exe
  • pxemtftp.exe
  • pxeservice.exe
  • qclean.exe
  • qdcsfs.exe
  • qhactivedefense.exe
  • qhsafetray.exe
  • qhwatchdog.exe
  • qoeloader.exe
  • qserver.exe
  • rapapp.exe
  • rapuisvc.exe
  • ras.exe
  • rasupd.exe
  • rav.exe
  • ravalert.exe
  • ravmon.exe
  • ravmond.exe
  • ravservice.exe
  • ravstub.exe
  • ravtask.exe
  • ravtray.exe
  • ravupdate.exe
  • ravxp.exe
  • rcsvcmon.exe
  • rdrcef.exe
  • realmon.exe
  • redirsvc.exe
  • regmech.exe
  • remupd.exe
  • repmgr64.exe
  • reportersvc.exe
  • reportingservicesservice.exe
  • reportsvc.exe
  • retinaengine.exe
  • rfwmain.exe
  • rfwproxy.exe
  • rfwsrv.exe
  • rfwstub.exe
  • rnav.exe
  • rnreport.exe
  • routernt.exe
  • rpcserv.exe
  • rscd.exe
  • rscdsvc.exe
  • rsnetsvr.exe
  • rssensor.exe
  • rstray.exe
  • rtvscan.exe
  • rulaunch.exe
  • safeservice.exe
  • sahookmain.exe
  • saservice.exe
  • sav32cli.exe
  • savadminservice.exe
  • savfmsectrl.exe
  • savfmselog.exe
  • savfmsesjm.exe
  • savfmsesp.exe
  • savfmsespamstatsmanager.exe
  • savfmsesrv.exe
  • savfmsetask.exe
  • savfmseui.exe
  • savmain.exe
  • savroam.exe
  • savscan.exe
  • savservice.exe
  • savui.exe
  • sbamsvc.exe
  • sbserv.exe
  • scan32.exe
  • scanfrm.exe
  • scanmailoutlook.exe
  • scanmsg.exe
  • scansbserv.exe
  • scanwscs.exe
  • scfagent_64.exe
  • scfmanager.exe
  • scfservice.exe
  • scftray.exe
  • schdsrvc.exe
  • schupd.exe
  • sdrservice.exe
  • sdtrayapp.exe
  • seanalyzertool.exe
  • seccenter.exe
  • securitycenter.exe
  • securitymanager.exe
  • seestat.exe
  • semsvc.exe
  • server_eventlog.exe
  • server_runtime.exe
  • sesclu.exe
  • setloadorder.exe
  • setupguimngr.exe
  • sevinst.exe
  • sgbhp.exe
  • shstat.exe
  • sidebar.exe
  • siteadv.exe
  • slee81.exe
  • smc.exe
  • smcgui.exe
  • smex_activeupda
  • smex_master.exe
  • smex_remoteconf
  • smex_systemwatc
  • smoutlookpack.exe
  • sms.exe
  • smsectrl.exe
  • smselog.exe
  • smsesjm.exe
  • smsesp.exe
  • smsesrv.exe
  • smsetask.exe
  • smseui.exe
  • smsx.exe
  • snac.exe
  • sndmon.exe
  • sndsrvc.exe
  • snhwsrv.exe
  • snicheckadm.exe
  • snichecksrv.exe
  • snicon.exe
  • snsrv.exe
  • spbbcsvc.exe
  • spideragent.exe
  • spiderml.exe
  • spidernt.exe
  • spiderui.exe
  • spntsvc.exe
  • spooler.exe
  • spyemergency.exe
  • spyemergencysrv.exe
  • sqbcoreservice.exe
  • sqlagent.exe
  • sqlbrowser.exe
  • sqlservr.exe
  • sqlwriter.exe
  • srvload.exe
  • srvmon.exe
  • sschk.exe
  • ssecuritymanager.exe
  • ssm.exe
  • ssp.exe
  • ssscheduler.exe
  • starta.exe
  • steam.exe
  • stinger.exe
  • stopa.exe
  • stopp.exe
  • stwatchdog.exe
  • svcgenerichost
  • svcharge.exe
  • svcntaux.exe
  • svdealer.exe
  • svframe.exe
  • svtray.exe
  • swc_service.exe
  • swdsvc.exe
  • sweepsrv.sys
  • swi_service.exe
  • swnetsup.exe
  • swnxt.exe
  • swserver.exe
  • symlcsvc.exe
  • symproxysvc.exe
  • symsport.exe
  • symtray.exe
  • symwsc.exe
  • synctime.exe
  • sysdoc32.exe
  • sysoptenginesvc.exe
  • system.exe
  • taskhostw.exe
  • tbirdconfig.exe
  • tbmon.exe
  • tclproc.exe
  • tdimon.exe
  • teamviewer_service.exe
  • tfgui.exe
  • tfservice.exe
  • tftray.exe
  • tfun.exe
  • thebat.exe
  • thebat64.exe
  • thunderbird.exe
  • tiaspn~1.exe
  • tmas.exe
  • tmlisten.exe
  • tmntsrv.exe
  • tmpfw.exe
  • tmproxy.exe
  • tnbutil.exe
  • tnslsnr.exe
  • toolbarupdater.exe
  • tpsrv.exe
  • traflnsp.exe
  • traptrackermgr.exe
  • trjscan.exe
  • trupd.exe
  • tsansrf.exe
  • tsatisy.exe
  • tscutynt.exe
  • tsmpnt.exe
  • ucservice.exe
  • udaterui.exe
  • uiseagnt.exe
  • uiwatchdog.exe
  • umxagent.exe
  • umxcfg.exe
  • umxfwhlp.exe
  • umxpol.exe
  • unsecapp.exe
  • unvet32.exe
  • up2date.exe
  • update_task.exe
  • updaterui.exe
  • updtnv28.exe
  • upfile.exe
  • uplive.exe
  • uploadrecord.exe
  • upschd.exe
  • url_response.exe
  • urllstck.exe
  • usbguard.exe
  • useractivity.exe
  • useranalysis.exe
  • usergate.exe
  • usrprmpt.exe
  • v2iconsole.exe
  • v3clnsrv.exe
  • v3exe
  • v3imscn.exe
  • v3lite.exe
  • v3main.exe
  • v3medic.exe
  • v3sp.exe
  • v3svc.exe
  • vetmsg.exe
  • vettray.exe
  • vgauthservice.exe
  • visio.exe
  • vmacthlp.exe
  • vmtoolsd.exe
  • vmware-converter.exe
  • vmware-converter-a.exe
  • vmwaretray.exe
  • vpatch.exe
  • vpc32.exe
  • vpdn_lu.exe
  • vprosvc.exe
  • vprot.exe
  • vptray.exe
  • vrv.exe
  • vrvmail.exe
  • vrvmon.exe
  • vrvnet.exe
  • vshwin32.exe
  • vsmain.exe
  • vsmon.exe
  • vsserv.exe
  • vsstat.exe
  • vstskmgr.exe
  • webproxy.exe
  • webscanx.exe
  • websensecontrolservice.exe
  • webtrapnt.exe
  • wfxctl32.exe
  • wfxmod32.exe
  • wfxsnt40.exe
  • win32sysinfo.exe
  • winlog.exe
  • winroute.exe
  • winvnc4.exe
  • winword.exe
  • wordpad.exe
  • workflowresttest.exe
  • wrctrl.exe
  • wrsa.exe
  • wrspysetup.exe
  • wscntfy.exe
  • wssfcmai.exe
  • wtusystemsuport.exe
  • xcommsvr.exe
  • xfilter.exe
  • xfssvccon.exe
  • zanda.exe
  • zapro.exe
  • zavaux.exe
  • zavcore.exe
  • zillya.exe
  • zlclient.exe
  • zlh.exe
  • zonealarm.exe
  • zoolz.exe

Other Details

This Ransomware does the following:

  • Avoids encrypting files that satisfies all of the following conditions:
    • Filename contains any of the following strings:
      • .bat
      • .blf
      • .cmd
      • .config
      • .devicemetadata-ms
      • .dll
      • .exe
      • .ico
      • .lnk
      • .manifest
      • .mui
      • .olb
      • .ps1
      • .regtrans-ms
      • .settingcontent-ms
      • .sys
      • .tlb
      • bootmgr
      • bootnxt
      • desktop.ini
      • iconcache.db
      • ntuser.dat
      • ntuser.dat.log1
      • ntuser.dat.log2
      • ntuser.ini
      • usrclass.dat
      • usrclass.dat.log1
      • usrclass.dat.log2
    • File path contains any of the following strings:
      • %Windows%
      • %System Root%
      • :\$Recycle.Bin
      • :\ProgramData
      • :\Users\All Users
      • :\Program Files
      • :\Local Settings
      • :\Boot
      • :\System Volume Information
      • :\Recovery
      • \\AppData\\
  • It encrypt files found in Removable and Fixed drives.
  • Capable of deleting shadow copies.
  • It terminates the following services if found running on the affected system(s):
    • Acronis VSS Provider
    • AcronisAgent
    • AcrSch2Svc
    • AdobeARMService
    • Alerter
    • Antivirus
    • ARSM
    • aswBcc
    • Avast Business Console Client Antivirus Service
    • avast! Antivirus
    • avbackup
    • AVP
    • BackupExecAgentAccelerator
    • BackupExecAgentBrowser
    • BackupExecDeviceMediaService
    • BackupExecJobEngine
    • BackupExecManagementService
    • BackupExecRPCService
    • BackupExecVSSProvider
    • bcrservice
    • bedbg
    • BITS
    • BlueStripeCollector
    • BrokerInfrastructure
    • ccEvtMgr
    • ccSetMgr\SymbOS
    • Cisserv
    • CpqRcmc3
    • CSAdmin
    • CSAuth
    • CSDbSync
    • CSLog
    • CSMon
    • CSRadius
    • CSTacacs
    • DB2-0
    • DB2DAS00
    • DB2GOVERNOR_DB2COPY1
    • DB2INST2
    • DB2LICD_DB2COPY1
    • DB2MGMTSVC_DB2COPY1
    • DB2REMOTECMD_DB2COPY1
    • DCAgent
    • EhttpSrv
    • ekrn
    • Enterprise Client Service
    • epag
    • EPIIntegrationService
    • EPProtectedService
    • epredline
    • EPServiceSecurity
    • EPUpdateService
    • EraserSvc11710
    • ERSvc
    • EsgShKernel
    • ESHASRV
    • Eventlog
    • FA_Scheduler
    • GoogleChromeElevationService
    • gupdate
    • gupdatem
    • HealthService
    • IBMDataServerMgr
    • IBMDSServer41
    • IDriverT
    • IISAdmin
    • IMAP4Svc
    • ImapiService
    • KAVFS
    • KAVFSGT
    • kavfsslp
    • klnagent
    • LogProcessorService
    • LRSDRVX
    • macmnsvc
    • masvc
    • MBAMService
    • MBEndpointAgent
    • McAfee SiteAdvisor Enterprise Service
    • McAfeeEngineService
    • MCAFEEEVENTPARSERSRV
    • McAfeeFramework
    • McAfeeFrameworkMcAfeeFramework
    • MCAFEETOMCATSRV530
    • McShield
    • McTaskManager
    • mfefire
    • mfemms
    • mfevtp
    • mfewc
    • MMS
    • mozyprobackup
    • MsDtsServer
    • MsDtsServer100
    • MsDtsServer110
    • MsDtsServer130
    • MSExchangeES
    • MSExchangeIS
    • MSExchangeMGMT
    • MSExchangeMTA
    • MSExchangeSA
    • MSExchangeSRS
    • msftesql$PROD
    • msftesql$PROD
    • MSMQ
    • MSOLAP$SQL_2008
    • MSOLAP$SYSTEM_BGC
    • MSOLAP$TPS
    • MSOLAP$TPSAMA
    • MSSQL$BKUPEXEC
    • MSSQL$CITRIX_METAFRAME
    • MSSQL$ECWDB2
    • MSSQL$EPOSERVER
    • MSSQL$ITRIS
    • MSSQL$NET2
    • MSSQL$PRACTICEMGMT
    • MSSQL$PRACTTICEBGC
    • MSSQL$PROD
    • MSSQL$PROFXENGAGEMENT
    • MSSQL$SBSMONITORING
    • MSSQL$SHAREPOINT
    • MSSQL$SOPHOS
    • MSSQL$SQL_2008
    • MSSQL$SQLEXPRESS
    • MSSQL$SYSTEM_BGC
    • MSSQL$TPS
    • MSSQL$TPSAMA
    • MSSQL$VEEAMSQL2008
    • MSSQLFDLauncher
    • MSSQLFDLauncher$ITRIS
    • MSSQLFDLauncher$PROFXENGAGEMENT
    • MSSQLFDLauncher$PROFXENGAGEMENT
    • MSSQLFDLauncher$SBSMONITORING
    • MSSQLFDLauncher$SHAREPOINT
    • MSSQLFDLauncher$SQL_2008
    • MSSQLFDLauncher$SYSTEM_BGC
    • MSSQLFDLauncher$TPS
    • MSSQLFDLauncher$TPSAMA
    • MSSQLLaunchpad$ITRIS
    • MSSQLSERVER
    • MSSQLServerAdHelper
    • MSSQLServerADHelper
    • MSSQLServerADHelper100
    • MSSQLServerOLAPService
    • msvsmon90
    • myAgtSvc
    • MySQL57MSSQL$TPSAMA
    • MySQL80
    • Net2ClientSvc
    • NetDDE
    • NetSvc
    • NimbusWatcherServicex
    • NtLmSsp
    • NtmSvc
    • ntrtscan
    • odserv
    • OracleClientCache
    • PDVFSService
    • POP3Svc
    • ProLiantMonitor
    • ReportServer
    • ReportServer$SQL_2008
    • ReportServer$SYSTEM_BGC
    • ReportServer$TPS
    • ReportServer$TPSAMA
    • ReportServert$TPS
    • RESvc
    • RSCDsvc
    • RumorServer
    • sacsvr
    • SamSs
    • SAVAdminService
    • SAVService
    • SDD_Service
    • SDRSVC
    • SentinelAgent
    • SentinelHelperService
    • SentinelStaticEngine
    • SepMasterService
    • SepMasterServiceMig
    • ShMonitor
    • Smcinst
    • SmcService
    • SMTPSvc
    • SNAC
    • SnowInventoryClient
    • SntpService
    • Sophos Agent
    • Sophos AutoUpdate Service
    • Sophos Clean Service
    • Sophos Device Control Service
    • Sophos File Scanner Service
    • Sophos Health Servicer
    • Sophos MCS Agent
    • Sophos MCS Client
    • Sophos Message Router
    • Sophos Safestore Service
    • Sophos System Protection Service
    • Sophos Web Control Service
    • sophossps
    • SQL Backups
    • SQLAgen$ITRIS
    • SQLAgent$BKUPEXEC
    • SQLAgent$CITRIX_METAFRAME
    • SQLAgent$CXDB
    • SQLAgent$ECWDB2
    • SQLAgent$EPOSERVER
    • SQLAgent$NET2
    • SQLAgent$PRACTTICEBGC
    • SQLAgent$PRACTTICEMGT
    • SQLAgent$PROD
    • SQLAgent$PROD
    • SQLAgent$PROFXENGAGEMENT
    • SQLAgent$SBSMONITORING
    • SQLAgent$SHAREPOINT
    • SQLAgent$SOPHOS
    • SQLAgent$SOPHOS
    • SQLAgent$SQL_2008
    • SQLAgent$SQLEXPRESS
    • SQLAgent$SYSTEM_BGC
    • SQLAgent$TPS
    • SQLAgent$TPSAMA
    • SQLAgent$VEEAMSQL2008R2
    • SQLAgent$VEEAMSQL2012
    • SQLBrowser
    • SQLBrowser
    • SQLsafe Backup Service
    • SQLsafe Filter Service
    • SQLSafeOLRService
    • SQLSREVERAGENT
    • SQLTELEMETRY
    • SQLTELEMETRY$ECWDB2
    • SQLTELEMETRY$ITRIS
    • SQLWriter
    • SSISTELEMTRY130
    • SstpSvcSQLAgent$ECWDB2
    • svcGenericHost
    • swi_filter
    • swi_service
    • swi_update
    • swi_update_64
    • Symantec System Recovery
    • sysdown
    • System
    • TelemtryServer
    • TlntSvr
    • TMCCSF
    • tmlisten
    • TmPfw
    • tpautoconnsvc
    • TPVCGateway
    • TrueKey
    • TrueKeyScheduleri
    • TrueKeyServiceHelper
    • UI0Detect
    • Veeam Backup Catalog Data Service
    • VeeamBackupSvc
    • VeeamBrokerSvc
    • VeeamCatalogSvc
    • VeeamCloudSvc
    • VeeamDeploymentService
    • VeeamDeploySvc
    • VeeamEnterpriseManager
    • VeeamEnterpriseManagerSvc
    • VeeamHvIntegrationSvc
    • VeeamMountSvc
    • VeeamNFSSvc
    • VeeamRESTSvc
    • VeeamTransportSvc
    • VGAuthService
    • VMTools
    • VMWare
    • VMwareCAFCommAmqpListener
    • VMwareCAFManagementAgentHost
    • vmware-converter-agent
    • vmware-converter-server
    • vmware-converter-worker
    • W3Svc
    • wbengine
    • WdNisSvc
    • WebClient
    • WinDefend
    • WinVNC4SWF dump
    • WRSVC
    • Zoolz 2 Service

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Ransomware Routine

This Ransomware avoids encrypting files with the following strings in their file name:

  • ntldr
  • NTDETECT.COM
  • boot.ini
  • bootsect.bak
  • bootfont.bin
  • ctfmon.exe
  • desktop.ini
  • iconcache.db
  • ntuser.dat
  • ntuser.dat.log
  • ntuser.ini
  • thumbs.db

It avoids encrypting files found in the following folders:

  • %Windows%

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

It renames encrypted files using the following names:

  • {Original Filename}.{Original extension}{5 Random Characters}

It drops the following file(s) as ransom note:

  • %Desktop%\Fix-Your-Files.txt
  • %System Root%\Fix-Your-Files.txt

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.582.08
FIRST VSAPI PATTERN DATE: 26 Dec 2019
VSAPI OPR PATTERN File: 15.583.00
VSAPI OPR PATTERN Date: 27 Dec 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete these files

[ Learn More ]
There may be some files 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.  
  • %Desktop%\Fix-Your-Files.txt
  • %System Root%\Fix-Your-Files.txt

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as Ransom.Win32.EKANS.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 this Knowledge Base page for more information.

Step 6

Restore encrypted files from backup.

Step 7

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.EKANS.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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