Ransom.MSIL.TARGETCOMP.YXCCUTT

マルウェアは、他のマルウェアに作成されるか、悪意あるWebサイトからユーザが誤ってダウンロードすることによりコンピュータに侵入します。

以下のファイル拡張子を持つファイルは暗号化しません。

侵入方法

マルウェアは、他のマルウェアに作成されるか、悪意あるWebサイトからユーザが誤ってダウンロードすることによりコンピュータに侵入します。

インストール

マルウェアは、以下のフォルダを追加します。

• %Application Data%\Aabza

(註：%Application Data%フォルダは、現在ログオンしているユーザのアプリケーションデータフォルダです。Windows 2000(32-bit)、XP、Server 2003(32-bit)の場合、通常 "C:\Documents and Settings\＜ユーザ名＞\Local Settings\Application Data" です。また、Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit)、10(64-bit)の場合、通常 "C:\Users\＜ユーザ名＞\AppData\Roaming" です。)

マルウェアは、以下のファイルを作成し実行します。

• %User Temp%\Dwghpjxmueqxokshkill$.bat - contains commands to delete services and terminate processes

(註：%User Temp%フォルダは、現在ログオンしているユーザの一時フォルダです。Windows 2000(32-bit)、XP、Server 2003(32-bit)の場合、通常 "C:\Documents and Settings\＜ユーザー名＞\Local Settings\Temp"です。また、Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit)、10(64-bit)の場合、通常 "C:\Users\＜ユーザ名＞\AppData\Local\Temp" です。)

マルウェアは、感染したコンピュータ内に以下のように自身のコピーを作成します。

• %Application Data%\Aabza\Qawjvy.exe
• %Windows%\avast.exe
• {IP Address}\admin$\avast.exe
• {IP Address}\c$\avast.exe

(註：%Application Data%フォルダは、現在ログオンしているユーザのアプリケーションデータフォルダです。Windows 2000(32-bit)、XP、Server 2003(32-bit)の場合、通常 "C:\Documents and Settings\＜ユーザ名＞\Local Settings\Application Data" です。また、Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit)、10(64-bit)の場合、通常 "C:\Users\＜ユーザ名＞\AppData\Roaming" です。. %Windows%フォルダは、Windowsが利用するフォルダで、いずれのオペレーティングシステム(OS)でも通常、"C:\Windows" です。.)

マルウェアは、以下のプロセスを追加します。

• %Windows%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
• %System%\cmd.exe /c timeout 10
• reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Command Processor /v AutoRun /f
• takeown /f %SystemRoot%\{system32|SysWOW64}\{String} /a
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /g Administrators:f
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /g Users:r
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /g Administrators:r
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /d SERVICE
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /d mssqlserver
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /d network service
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /g system:r
• cacls %SystemRoot%\{system32|SysWOW64}\{String} /e /d mssql$sqlexpress
  where {String}:
  • cmd.exe
  • net.exe
  • net1.exe
  • mshta.exe
  • FTP.exe
  • wscript.exe
  • cscript.exe
  • WindowsPowerShell\v1.0\powershell.exe
• takeown /f C:\ProgramData /a
• takeown /f C:\Users\Public /a
• cacls C:\ProgramData /g Administrators:f
• cacls C:\ProgramData /e /g Users:r
• cacls C:\ProgramData /e /g Administrators:r
• cacls C:\ProgramData /e /d SERVICE
• cacls C:\ProgramData /e /d mssqlserver
• cacls C:\ProgramData /e /d network service
• cacls C:\ProgramData /e /d system
• cacls C:\ProgramData /e /d mssql$sqlexpress
• cacls C:\Users\Public /g Administrators:f
• cacls C:\Users\Public /e /g Users:r
• cacls C:\Users\Public /e /g Administrators:r
• cacls C:\Users\Public /e /d SERVICE
• cacls C:\Users\Public /e /d mssqlserver
• cacls C:\Users\Public /e /d network service
• cacls C:\Users\Public /e /d system
• cacls C:\Users\Public /e /d mssql$sqlexpress
• vssadmin delete shadows /all /quiet
• cmd.exe /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
• cmd.exe /c bcdedit /set {current} recoveryenabled no
• sc delete {Services deleted}
• net stop {Services stopped}
• taskkill /IM {Process List} /F /T

(註：%Windows%フォルダは、Windowsが利用するフォルダで、いずれのオペレーティングシステム(OS)でも通常、"C:\Windows" です。.. %System%フォルダは、システムフォルダで、いずれのオペレーティングシステム(OS)でも通常、"C:\Windows\System32" です。.)

マルウェアは、身代金を要求する手紙として、テキストファイルを作成します。このテキストファイルは以下の内容を含んでいます。

• C:\HOW TO RECOVER !!.TXT
• {Encrypted Directory}\RECOVERY INFORMATION.txt
  

マルウェアは、以下のプロセスにコードを組み込みます。

• %Windows%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

(註：%Windows%フォルダは、Windowsが利用するフォルダで、いずれのオペレーティングシステム(OS)でも通常、"C:\Windows" です。.)

自動実行方法

マルウェアは、自身のコピーがWindows起動時に自動実行されるよう以下のレジストリ値を追加します。

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Qawjvy = %Application Data%\Aabza\Qawjvy.exe

他のシステム変更

マルウェアは、以下のレジストリキーを削除します。

HKEY_LOCAL_MACHINE\SOFTWARE\Raccine

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\EventLog\Application\
Raccine

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

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

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

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

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

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

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

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

プロセスの終了

マルウェアは、感染コンピュータ上で以下のプロセスが常駐されていることを確認した場合、そのプロセスを終了します。

• where {Process List}:
  • sqlservr.exe
  • httpd.exe
  • java.exe
  • fdhost.exe
  • fdlauncher.exe
  • reportingservicesservice.exe
  • softmgrlite.exe
  • sqlbrowser.exe
  • ssms.exe
  • vmtoolsd.exe
  • baidunetdisk.exe
  • yundetectservice.exe
  • ssclient.exe
  • GNAupdaemon.exe
  • RAVCp164.exe
  • igfxEM.exe
  • igfxHK.exe
  • igfxTray.exe
  • 360bdoctor.exe
  • GNCEFExternal.exe
  • PrivacyIconClient.exe
  • UIODetect.exe
  • AutoDealService.exe
  • IDDAService.exe
  • EnergyDataService.exe
  • MPService.exe
  • TransMain.exe
  • DAService.exe
  • GoogleCrashHandler.exe
  • GoogleCrashHandler64.exe
  • GoogleUpdate.exe
  • cohernece.exe
  • vmware-tray.exe
  • MsDtsSrvr.exe
  • msmdsrv.exe
  • FileZilla server.exe
  • UpdateData.exe
  • WebApi.Host.exe
  • VGAuthService.exe
  • omtsreco.exe
  • TNSLSNR.exe
  • oracle.exe
  • msdtc.exe
  • mmc.exe
  • emagent.exe
  • SoftMgrLite.exe
  • Admin.exe
  • EnterprisePortal.exe
  • tomcat7.exe
  • Kingdee.K3.CRM.MMC.MMCService.exe
  • Kingdee.k3.Weixin.ClientService.exe
  • Kingdee.K3.PUBLIC.BkgSvcHost.exe
  • Kingdee.K3.HR.Server.exe
  • Kingdee.K3.PUBLIC.KDSvrMgrHost.exe
  • tomcat5.exe
  • Kingdee.DeskTool.exe
  • UserClient.exe
  • mysqld.exe
  • ImtsEventSvr.exe
  • mysqld-nt.exe
  • 360EnterpriseDiskUI.exe
  • tomcat8.exe
  • QQprotect.exe
  • isqlplussvc.exe
  • nmesrvc.exe
  • jusched.exe
  • MtxHotPlugService.exe
  • jucheck.exe
  • wordpad.exe
  • SecureCRT.exe
  • chrome.exe
  • Thunder.exe
  • ThunderPlatform.exe
  • iexplore.exe
  • vm-agent.exe
  • vm-agent-daemon.exe
  • eSightService.exe
  • cygrunsrv.exe
  • wrapper.exe
  • nginx.exe
  • node.exe
  • sshd.exe
  • vm-tray.exe
  • iempwatchdog.exe
  • sqlwriter.exe
  • php.exe
  • notepad++.exe
  • phpStudy.exe
  • OPCClient.exe
  • navicat.exe
  • SupportAssistAgent.exe
  • SunloginClient.exe
  • SOUNDMAN.exe
  • WeChat.exe
  • TXPlatform.exe
  • Tencentdll.exe
  • jenkins.exe
  • QQ.exe
  • HaoZip.exe
  • HaoZipScan.exe
  • TSVNCache.exe
  • RAVCpl64.exe
  • secbizsrv.exe
  • aliwssv.exe
  • Helper_Haozip.exe
  • acrotray.exe
  • FileZilla Server Interface.exe
  • YoudaoNote.exe
  • YNoteCefRender.exe
  • idea.exe
  • fsnotifier.exe
  • picpick.exe
  • lantern.exe
  • sysproxy-cmd.exe
  • service.exe
  • pcas.exe
  • PresentationFontCache.exe
  • RtWlan.exe
  • monitor.exe
  • Correspond.exe
  • ChatServer.exe
  • InetMgr.exe
  • LogonServer.exe
  • GameServer.exe
  • ServUAdmin.exe
  • ServUDaemon.exe
  • update0.exe
  • server.exe
  • w3wp.exe
  • notepad.exe
  • PalmInputService.exe
  • PalmInputGuard.exe
  • UpdateServer.exe
  • UpdateGate.exe
  • DBServer.exe
  • LoginGate.exe
  • SelGate.exe
  • RunGate.exe
  • M2Server.exe
  • LogDataServer.exe
  • LoginSrv.exe
  • sqlceip.exe
  • mqsvc.exe
  • RefundOrder.exe
  • ClamTray.exe
  • AdobeARM.exe
  • veeam.backup.shell.exe
  • VpxClient.exe
  • vmware-vmrc.exe
  • DSCPatchService.exe
  • scktsrvr.exe
  • ServerManager.exe
  • Dispatcher.exe
  • EFDispatcher.exe
  • ClamWin.exe
  • srvany.exe
  • JT_AG-8332.exe
  • XXTClient.exe
  • clean.exe
  • Net.Service.exe
  • plsqldev.exe
  • splwow64.exe
  • Oobe.exe
  • QQYService.exe
  • SGTool.exe
  • postgres.exe
  • AppVShNotify.exe
  • OfficeClickToRun.exe
  • EntDT.exe
  • EntPublish.exe
  • pg_ctl.exe
  • rcrelay.exe
  • SogouImeBroker.exe
  • CCenter.exe
  • ScanFrm.exe
  • d_manage.exe
  • RsTray.exe
  • wampmanager.exe
  • RavTray.exe
  • mssearch.exe
  • sqlmangr.exe
  • msftesql.exe
  • SyncBaseSvr.exe
  • SyncBaseConsole.exe
  • aspnet_state.exe
  • AutoBackUpEx.exe
  • redis-server.exe
  • MySQLNotifier.exe
  • oravssw.exe
  • fppdis5.exe
  • His6Service.exe
  • dinotify.exe
  • JhTask.exe
  • Executer.exe
  • AllPassCBHost.exe
  • ap_nginx.exe
  • AndroidServer.exe
  • XT.exe
  • XTService.exe
  • AllPassMCService.exe
  • IMEDICTUPDATE.exe
  • FlashHelperService.exe
  • ap_redis-server.exe
  • UtilDev.WebServer.Monitor.exe
  • UWS.AppHost.Clr2.x86.exe
  • FoxitProtect.exe
  • ftnlses.exe
  • ftusbrdwks.exe
  • ftusbrdsrv.exe
  • ftnlsv.exe
  • Syslogd_Service.exe
  • UWS.HighPrivilegeUtilities.exe
  • ftusbsrv.exe
  • UWS.LowPrivilegeUtilities.exe
  • UWS.AppHost.Clr2.AnyCpu.exe
  • winguard_x64.exe
  • vmconnect.exe
  • firefox.exe
  • usbrdsrv.exe
  • usbserver.exe
  • Foxmail.exe
  • qemu-ga.exe
  • wwbizsrv.exe
  • ZTEFileTranS.exe
  • ZTEUsbIpc.exe
  • ZTEUsbIpcGuard.exe
  • AlibabaProtect.exe
  • kbasesrv.exe
  • ZTEVdservice.exe
  • MMRHookService.exe
  • extjob.exe
  • IpOverUsbSvc.exe
  • VMwareTray.exe
  • devenv.exe
  • PerfWatson2.exe
  • ServiceHub.Host.Node.x86.exe
  • ServiceHub.IdentityHost.exe
  • ServiceHub.VSDetouredHost.exe
  • ServiceHub.SettingsHost.exe
  • ServiceHub.Host.CLR.x86.exe
  • ServiceHub.RoslynCodeAnalysisService32.exe
  • ServiceHub.DataWarehouseHost.exe
  • Microsoft.VisualStudio.Web.Host.exe
  • SQLEXPRWT.exe
  • setup.exe
  • remote.exe
  • setup100.exe
  • landingpage.exe
  • WINWORD.exe
  • KuaiYun.exe
  • HwsHostPanel.exe
  • NovelSpider.exe
  • Service_KMS.exe
  • WebServer.exe
  • ChsIME.exe
  • btPanel.exe
  • Protect_2345Explorer.exe
  • Pic_2345Svc.exe
  • vmware-converter-a.exe
  • vmware-converter.exe
  • vmware.exe
  • vmware-unity-helper.exe
  • vmware-vmx.exe
  • usysdiag.exe
  • PopBlock.exe
  • gsinterface.exe
  • Gemstar.Group.CRS.Client.exe
  • TenpayServer.exe
  • RemoteExecService.exe
  • VS_TrueCorsManager.exe
  • ntpsvr-2019-01-22-wgs84.exe
  • rtkjob-ion.exe
  • ntpsvr-2019-01-22-no-usrcheck.exe
  • NtripCaster-2019-01-08.exe
  • BACSTray.exe
  • protect.exe
  • hfs.exe
  • jzmis.exe
  • NewFileTime_x64.exe
  • 2345MiniPage.exe
  • JMJ_server.exe
  • cacls.exe
  • gpsdaemon.exe
  • gpsusersvr.exe
  • gpsdownsvr.exe
  • gpsstoragesvr.exe
  • gpsdataprocsvr.exe
  • gpsftpd.exe
  • gpsmysqld.exe
  • gpstomcat6.exe
  • gpsloginsvr.exe
  • gpsmediasvr.exe
  • gpsgatewaysvr.exe
  • gpssvrctrl.exe
  • zabbix_agentd.exe
  • BackupExec.exe
  • Att.exe
  • mdm.exe
  • BackupExecManagementService.exe
  • bengine.exe
  • benetns.exe
  • beserver.exe
  • pvlsvr.exe
  • bedbg.exe
  • beremote.exe
  • RemoteAssistProcess.exe
  • BarMoniService.exe
  • GoodGameSrv.exe
  • BarCMService.exe
  • TsService.exe
  • GoodGame.exe
  • BarServerView.exe
  • IcafeServicesTray.exe
  • BsAgent_0.exe
  • ControlServer.exe
  • DisklessServer.exe
  • DumpServer.exe
  • NetDiskServer.exe
  • PersonUDisk.exe
  • service_agent.exe
  • SoftMemory.exe
  • BarServer.exe
  • RtkNGUI64.exe
  • Serv-U-Tray.exe
  • QQPCSoftTrayTips.exe
  • SohuNews.exe
  • Serv-U.exe
  • QQPCRTP.exe
  • EasyFZS.exe
  • HaoYiShi.exe
  • HysMySQL.exe
  • wtautoreg.exe
  • ispiritPro.exe
  • CAService.exe
  • XAssistant.exe
  • TrustCA.exe
  • GEUU20003.exe
  • CertMgr.exe
  • eSafe_monitor.exe
  • MainExecute.exe
  • FastInvoice.exe
  • sesvc.exe
  • ScanFileServer.exe
  • Nuoadehgcgcd.exe
  • OpenFastAssist.exe
  • FastInvoiceAssist.exe
  • Nuoadfaggcje.exe
  • OfficeUpdate.exe
  • atkexComSvc.exe
  • FileTransferAgent.exe
  • MasterReplicatorAgent.exe
  • CrmAsyncService.exe
  • CrmUnzipService.exe
  • NscAuthService.exe
  • ReplicaReplicatorAgent.exe
  • ASMCUSvc.exe
  • OcsAppServerHost.exe
  • RtcCdr.exe
  • IMMCUSvc.exe
  • DataMCUSvc.exe
  • MeetingMCUSvc.exe
  • QmsSvc.exe
  • RTCSrv.exe
  • pnopagw.exe
  • NscAuth.exe
  • Microsoft.ActiveDirectory.WebServices.exe
  • DistributedCacheService.exe
  • c2wtshost.exe
  • Microsoft.Office.Project.Server.Calculation.exe
  • schedengine.exe
  • Microsoft.Office.Project.Server.Eventing.exe
  • Microsoft.Office.Project.Server.Queuing.exe
  • WSSADMIN.EXE
  • hostcontrollerservice.exe
  • noderunner.exe
  • OWSTIMER.EXE
  • wsstracing.exe
  • MySQLInstallerConsole.exe
  • EXCEL.EXE
  • consent.exe
  • RtkAudioService64.exe
  • RAVBg64.exe
  • FNPLicensingService64.exe
  • VisualSVNServer.exe
  • MotionBoard57.exe
  • MotionBoardRCService57.exe
  • LPManService.exe
  • RaRegistry.exe
  • RaAutoInstSrv.exe
  • RtHDVCpl.exe
  • DefenderDaemon.exe
  • BestSyncApp.exe
  • ApUI.exe
  • AutoUpdate.exe
  • LPManNotifier.exe
  • FieldAnalyst.exe
  • TimingGenerate.exe
  • Detector.exe
  • Estimator.exe
  • FA_Logwriter.exe
  • TrackingSrv.exe
  • cbInterface.exe
  • ccbService.exe
  • U8DispatchService.exe
  • dbsrv16.exe
  • KICManager.exe
  • KICMain.exe
  • ServerManagerLauncher.exe
  • TbossGate.exe
  • iusb3mon.exe
  • MgrEnvSvc.exe
  • Mysoft.Config.WindowsService.exe
  • Mysoft.UpgradeService.UpdateService.exe
  • hasplms.exe
  • Mysoft.Setup.InstallService.exe
  • Mysoft.UpgradeService.Dispatcher.exe
  • Mysoft.DataCenterService.WindowsHost.exe
  • Mysoft.DataCenterService.DataCleaning.exe
  • Mysoft.DataCenterService.DataTracking.exe
  • Mysoft.SchedulingService.WindowsHost.exe
  • ServiceMonitor.exe
  • Mysoft.SchedulingService.ExecuteEngine.exe
  • AgentX.exe
  • host.exe
  • vsjitdebugger.exe
  • VBoxSDS.exe
  • TeamViewer_Service.exe
  • TeamViewer.exe
  • CasLicenceServer.exe
  • tv_w32.exe
  • tv_x64.exe
  • rdm.exe
  • SecureCRTPortable.exe
  • VirtualBox.exe
  • VBoxSVC.exe
  • VirtualBoxVM.exe
  • abs_deployer.exe
  • edr_monitor.exe
  • sfupdatemgr.exe
  • ipc_proxy.exe
  • edr_agent.exe
  • edr_sec_plan.exe
  • sfavsvc.exe
  • DataShareBox.ShareBoxMonitorService.exe
  • DataShareBox.ShareBoxService.exe
  • Jointsky.CloudExchangeService.exe
  • Jointsky.CloudExchange.NodeService.ein
  • perl.exe
  • TsServer.exe
  • AppMain.exe
  • easservice.exe
  • Kingdee6.1.exe
  • QyKernel.exe
  • QyFragment.exe
  • ComputerZTray.exe
  • ComputerZService.exe
  • ClearCache.exe
  • ProLiantMonitor.exe
  • bugreport.exe
  • GNWebServer.exe
  • UI0Detect.exe
  • GNCore.exe
  • gnwayDDNS.exe
  • GNWebHelper.exe
  • php-cgi.exe
  • ESLUSBService.exe
  • CQA.exe
  • Kekcoek.pif
  • Tinuknx.exe
  • servers.exe
  • ping.exe
  • TianHeng.exe
  • K3MobileService.exe
  • VSSVC.exe
  • Xshell.exe
  • XshellCore.exe
  • FNPLicensingService.exe
  • XYNTService.exe
  • EISService.exe
  • UFSoft.U8.Framework.EncryptManager.exe
  • yonyou.u8.gc.taskmanager.servicebus.exe
  • U8KeyManagePool.exe
  • U8MPool.exe
  • U8SCMPool.exe
  • UFIDA.U8.Report.SLReportService.exe
  • U8TaskService.exe
  • U8TaskWorker.exe
  • U8WebPool.exe
  • U8AllAuthServer.exe
  • UFIDA.U8.UAP.ReportService.exe
  • UFIDA.U8.ECE.UTU.Services.exe
  • U8WorkerService.exe
  • UFIDA.U8.ECE.UTU.exe
  • ShellStub.exe
  • U8UpLoadTask.exe
  • UfSysHostingService.exe
  • UFIDA.UBF.SystemManage.ApplicationService.exe
  • UFIDA.U9.CS.Collaboration.MailService.exe
  • NotificationService.exe
  • UBFdevenv.exe
  • UFIDA.U9.SystemManage.SystemManagerClient.exe
  • mongod.exe
  • SpusCss.exe
  • UUDesktop.exe
  • KDHRServices.exe
  • Kingdee.K3.Mobile.Servics.exe
  • KDSvrMgrService.exe
  • pdfServer.exe
  • pdfspeedup.exe
  • SufAppServer.exe
  • Kingdee.K3.Mobile.LightPushService.exe
  • iMTSSvcMgr.exe
  • kdmain.exe
  • KDActMGr.exe
  • K3ServiceUpdater.exe
  • Aua.exe
  • iNethinkSQLBackup.exe
  • auaJW.exe
  • Scheduler.exe
  • bschJW.exe
  • SystemTray64.exe
  • OfficeDaemon.exe
  • OfficeIndex.exe
  • OfficeIm.exe
  • iNethinkSQLBackupConsole.exe
  • OfficeMail.exe
  • OfficeTask.exe
  • OfficePOP3.exe
  • apache.exe
  • GnHostService.exe
  • HwUVPUpgrade.exe
  • Kingdee.KIS.UESystemSer.exe
  • uvpmonitor.exe
  • UVPUpgradeService.exe
  • KDdataUpdate.exe
  • Portal.exe
  • U8SMSSrv.exe
  • Ufida.T.SM.PublishService.exe
  • lta8.exe
  • UfSvrMgr.exe
  • AutoUpdateService.exe
  • MOM.exe
  • sqlserv.exe
  • oracle.exe
  • ntdbsmgr.exe
  • sqlservr.exe
  • sqlwriter.exe
  • MsDtsSrvr.exe
  • msmdsrv.exe
  • ReportingServecesService.exe
  • fdhost.exe
  • fdlauncher.exe
  • mysql.exe

その他

マルウェアは、以下のサービスを追加し、実行します。

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\avast
ImagePath = %Windows%\avast.exe

マルウェアは、以下を実行します。

• It encrypts fixed drives, removable drives, network drives and shared folders
• It DOES NOT continue to routine if User Default Language ID of the system is any of the following:
  • Russian (0x419)
  • Kazakh (0x43F)
  • Belarusian (0x423)
  • Ukrainian (0x422)
  • Tatar (0x444)
• It attempts to delete itself through the following process:
  • cmd.exe /c ping {BLOCKED}.{BLOCKED}.0.1 && del "{malware path and name}" >> NUL
• It deletes the following services {Services deleted}:
  • XT800Service_Personal
  • SQLSERVERAGENT
  • SQLWriter
  • SQLBrowser
  • MSSQLFDLauncher
  • MSSQLSERVER
  • QcSoftService
  • MSSQLServerOLAPService
  • VMTools
  • VGAuthService
  • MSDTC
  • TeamViewer
  • ReportServer
  • RabbitMQ
  • AHS SERVICE
  • Sense Shield Service
  • SSMonitorService
  • SSSyncService
  • TPlusStdAppService1300
  • MSSQL$SQL2008
  • SQLAgent$SQL2008
  • TPlusStdTaskService1300
  • TPlusStdUpgradeService1300
  • VirboxWebServer
  • jhi_service
  • LMS
  • FontCache3.0.0.0
  • OSP Service
  • DAService_TCP
  • eCard-TTransServer
  • eCardMPService
  • EnergyDataService
  • UI0Detect
  • K3MobileService
  • TCPIDDAService
  • WebAttendServer
  • UIODetect
  • wanxiao-monitor
  • VMAuthdService
  • VMUSBArbService
  • VMwareHostd
  • vm-agent
  • VmAgentDaemon
  • OpenSSHd
  • eSightService
  • apachezt
  • Jenkins
  • secbizsrv
  • SQLTELEMETRY
  • MSMQ
  • smtpsvrJT
  • zyb_sync
  • 360EntHttpServer
  • 360EntSvc
  • 360EntClientSvc
  • NFWebServer
  • wampapache
  • MSSEARCH
  • msftesql
  • SyncBASE Service
  • OracleDBConcoleorcl
  • OracleJobSchedulerORCL
  • OracleMTSRecoveryService
  • OracleOraDb11g_home1ClrAgent
  • OracleOraDb11g_home1TNSListener
  • OracleVssWriterORCL
  • OracleServiceORCL
  • aspnet_state
  • Redis
  • JhTask
  • ImeDictUpdateService
  • MCService
  • allpass_redisservice_port21160
  • Flash Helper Service
  • Kiwi Syslog Server
  • UWS HiPriv Services
  • UWS LoPriv Services
  • ftnlsv3
  • ftnlses3
  • FxService
  • UtilDev Web Server Pro
  • ftusbrdwks
  • ftusbrdsrv
  • ZTE USBIP Client Guard
  • ZTE USBIP Client
  • ZTE FileTranS
  • wwbizsrv
  • qemu-ga
  • AlibabaProtect
  • ZTEVdservice
  • kbasesrv
  • MMRHookService
  • IpOverUsbSvc
  • MsDtsServer100
  • KuaiYunTools
  • KMSELDI
  • btPanel
  • Protect_2345Explorer
  • 2345PicSvc
  • vmware-converter-agent
  • vmware-converter-server
  • vmware-converter-worker
  • QQCertificateService
  • OracleRemExecService
  • GPSDaemon
  • GPSUserSvr
  • GPSDownSvr
  • GPSStorageSvr
  • GPSDataProcSvr
  • GPSGatewaySvr
  • GPSMediaSvr
  • GPSLoginSvr
  • GPSTomcat6
  • GPSMysqld
  • GPSFtpd
  • Zabbix Agent
  • BackupExecAgentAccelerator
  • bedbg
  • BackupExecDeviceMediaService
  • BackupExecRPCService
  • BackupExecAgentBrowser
  • BackupExecJobEngine
  • BackupExecManagementService
  • MDM
  • TxQBService
  • Gailun_Downloader
  • RemoteAssistService
  • YunService
  • Serv-U
  • EasyFZS Server
  • Rpc Monitor
  • OpenFastAssist
  • Nuo Update Monitor
  • Daemon Service
  • asComSvc
  • OfficeUpdateService
  • RtcSrv
  • RTCASMCU
  • FTA
  • MASTER
  • NscAuthService
  • MSCRMUnzipService
  • MSCRMAsyncService$maintenance
  • MSCRMAsyncService
  • REPLICA
  • RTCATS
  • RTCAVMCU
  • RtcQms
  • RTCMEETINGMCU
  • RTCIMMCU
  • RTCDATAMCU
  • RTCCDR
  • ProjectEventService16
  • ProjectQueueService16
  • SPAdminV4
  • SPSearchHostController
  • SPTimerV4
  • SPTraceV4
  • OSearch16
  • ProjectCalcService16
  • c2wts
  • AppFabricCachingService
  • ADWS
  • MotionBoard57
  • MotionBoardRCService57
  • vsvnjobsvc
  • VisualSVNServer
  • FlexNet Licensing Service 64
  • BestSyncSvc
  • LPManager
  • MediatekRegistryWriter
  • RaAutoInstSrv_RT2870
  • CobianBackup10
  • SQLANYs_sem5
  • CASLicenceServer
  • SQLService
  • semwebsrv
  • TbossSystem
  • ErpEnvSvc
  • Mysoft.Autoupgrade.DispatchService
  • Mysoft.Autoupgrade.UpdateService
  • Mysoft.Config.WindowsService
  • Mysoft.DataCenterService
  • Mysoft.SchedulingService
  • Mysoft.Setup.InstallService
  • MysoftUpdate
  • edr_monitor
  • abs_deployer
  • savsvc
  • ShareBoxMonitorService
  • ShareBoxService
  • CloudExchangeService
  • U8WorkerService2
  • CIS
  • EASService
  • KICkSvr
  • OSP Service
  • U8SmsSrv
  • OfficeClearCache
  • TurboCRM70
  • U8DispatchService
  • U8EISService
  • U8EncryptService
  • U8GCService
  • U8KeyManagePool
  • U8MPool
  • U8SCMPool
  • U8SLReportService
  • U8TaskService
  • U8WebPool
  • UFAllNet
  • UFReportService
  • UTUService
  • U8WorkerService1
• It stops the following services {Services stopped}:
  • U8WorkerService1
  • U8WorkerService2
  • memcached Server
  • Apache2.4
  • UFIDAWebService
  • MSComplianceAudit
  • MSExchangeADTopology
  • MSExchangeAntispamUpdate
  • MSExchangeCompliance
  • MSExchangeDagMgmt
  • MSExchangeDelivery
  • MSExchangeDiagnostics
  • MSExchangeEdgeSync
  • MSExchangeFastSearch
  • MSExchangeFrontEndTransport
  • MSExchangeHM
  • MSSQL$SQL2008
  • MSExchangeHMRecovery
  • MSExchangeImap4
  • MSExchangeIMAP4BE
  • MSExchangeIS
  • MSExchangeMailboxAssistants
  • MSExchangeMailboxReplication
  • MSExchangeNotificationsBroker
  • MSExchangePop3
  • MSExchangePOP3BE
  • MSExchangeRepl
  • MSExchangeRPC
  • MSExchangeServiceHost
  • MSExchangeSubmission
  • MSExchangeThrottling
  • MSExchangeTransport
  • MSExchangeTransportLogSearch
  • MSExchangeUM
  • MSExchangeUMCR
  • MySQL5_OA
  • HaoZipSvc
  • igfxCUIService2.0.0.0
  • Realtek11nSU
  • xenlite
  • XenSvc
  • Apache2.2
  • Synology Drive VSS Service x64
  • DellDRLogSvc
  • FirebirdGuardianDeafaultInstance
  • JWEM3DBAUTORun
  • JWRinfoClientService
  • JWService
  • Service2
  • RapidRecoveryAgent
  • FirebirdServerDefaultInstance
  • AdobeARMservice
  • VeeamCatalogSvc
  • VeeanBackupSvc
  • VeeamTransportSvc
  • TPlusStdAppService1300
  • TPlusStdTaskService1300
  • TPlusStdUpgradeService1300
  • TPlusStdWebService1300
  • VeeamNFSSvc
  • VeeamDeploySvc
  • VeeamCloudSvc
  • VeeamMountSvc
  • VeeamBrokerSvc
  • VeeamDistributionSvc
  • tmlisten
  • ServiceMid
  • 360EntPGSvc
  • ClickToRunSvc
  • RavTask
  • AngelOfDeath
  • d_safe
  • NFLicenceServer
  • NetVault Process Manager
  • RavService
  • DFServ
  • IngressMgr
  • EvtSys
  • K3ClouManager
  • NFVPrintServer
  • RTCAVMCU
  • CobianBackup10
  • GNWebService
  • Mysoft.SchedulingService
  • AgentX
  • SentinelKeysServer
  • DGPNPSEV
  • TurboCRM70
  • NFSysService
  • U8DispatchService
  • NFOTPService
  • U8EISService
  • U8EncryptService
  • U8GCService
  • U8KeyManagePool
  • U8MPool
  • U8SCMPool
  • U8SLReportService
  • U8TaskService
  • U8WebPool
  • UFAllNet
  • UFReportService
  • UTUService
  • UIODetect
  • VMwareHostd
  • TeamViewer8
  • VMUSBArbService
  • VMAuthdService
  • wanxiao-monitor
  • WebAttendServer
  • mysqltransport
  • VMnetDHCP
  • VMware NAT Service
  • Tomcat8
  • TeamViewer
  • QPCore
  • CASLicenceServer
  • CASWebServer
  • AutoUpdateService
  • Alibaba Security Aegis Detect Service
  • Alibaba Security Aegis Update Service
  • AliyunService
  • CASXMLService
  • AGSService
  • RapService
  • DDNSService
  • iNethinkSQLBackupSvc
  • CASVirtualDiskService
  • CASMsgSrv
  • OracleOraDb10g_homeliSQL*Plus
  • OracleDBConsoleilas
  • MySQL
  • TPlusStdAppService1220
  • TPlusStdTaskService1220
  • TPlusStdUpgradeService1220
  • K3MobileServiceManage
  • FileZilla Server
  • DDVRulesProcessor
  • ImtsEventSvr
  • AutoUpdatePatchService
  • OMAILREPORT
  • Dell Hardware Support
  • SupportAssistAgent
  • K3MMainSuspendService
  • KpService
  • ceng_web_svc_d
  • KugouService
  • pcas
  • U8SendMailAdmin
  • Bonjour Service
  • Apple Mobile Device Service
  • ABBYY.Licensing.FineReader.Professional.12.
• It connects to the following website to download and execute malicious module in memory:
  • http://{BLOCKED}.{BLOCKED}.44.142/arx-Kbcmvm_Rrkpioky.jpg

マルウェアは、以下のパラメータを受け取ります。

• -l -d -p {random string}: only encrypts shared files

ランサムウェアの不正活動

マルウェアは、ファイル名に以下の文字列を含むファイルの暗号化はしません。

• desktop.ini
• ntuser.dat
• thumbs.db
• iconcache.db
• ntuser.ini
• ntldr
• bootfont.bin
• ntuser.dat.log
• bootsect.bak
• boot.ini
• autorun.inf
• debugLog.txt

マルウェアは、ファイルパスに以下の文字列を含むファイルの暗号化はしません。

• msocache
• $windows.~ws
• system volume information
• intel
• appdata
• perflogs
• programdata
• google
• application data
• tor browser
• boot
• $windows.~bt
• mozilla
• boot
• windows.old
• Windows Microsoft.NET
• WindowsPowerShell
• Windows NT
• Windows
• Common Files
• Microsoft Security Client
• Internet Explorer
• Reference
• Assemblies
• Windows Defender
• Microsoft ASP.NET
• Core Runtime
• Package
• Store
• Microsoft Help Viewer
• Microsoft MPI
• Windows Kits
• Microsoft.NET
• Windows Mail
• Microsoft Security Client
• Package Store
• Microsoft Analysis Services
• Windows Portable Devices
• Windows Photo Viewer
• Windows Sidebar

マルウェアは、暗号化されたファイルのファイル名に以下の拡張子を追加します。

• .avast

以下のファイル拡張子を持つファイルについては暗号化しません：

• .msstyles
• .icl
• .idx
• .rtp
• .mallox
• .sys
• .nomedia
• .dll
• .hta
• .cur
• .lock
• .cpl
• .Globeimposter-Alpha865qqz
• .ics
• .hlp
• .com
• .spl
• .msi
• .key
• .mpa
• .rom
• .drv
• .bat
• .386
• .adv
• .diangcab
• .mod
• .scr
• .theme
• .ocx
• .prf
• .cab
• .diagcfg
• .msu
• .cmd
• .ico
• .msc
• .ani
• .icns
• .diagpkg
• .deskthemepack
• .wpx
• .msp
• .bin
• .themepack
• .shs
• .nls
• .exe
• .lnk
• .ps1
• .avast