Ransom.MSIL.HAKBIT.K

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 executes then deletes itself afterward.

It encrypts files found in specific folders. It avoids encrypting files with the following file extensions.

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 drops the following files:

• %Desktop%\HOW_TO_DECYPHER_FILES.txt
• %User Temp%\HOW_TO_DECYPHER_FILES.txt
• {Encrypted Directory}\HOW_TO_DECYPHER_FILES.txt
• {malware filepath}\v.txt
• {malware filepath}\sf.txt
• %User Temp%\{random characters}.bat

(Note: %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

• 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
• 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 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 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 SMTPSvc /y
• net.exe stop ReportServer$SQL_2008 /y
• net.exe stop “SQLsafe Filter Service” /y
• net.exe stop msftesql$PROD /y
• net.exe stop SstpSvc /y
• net.exe stop MSExchangeMTA /y
• net.exe stop “Sophos Device Control Service” /y
• net.exe stop ReportServer$SYSTEM_BGC /y
• net.exe stop “Symantec System Recovery” /y
• net.exe stop MSOLAP$SQL_2008 /y
• net.exe stop UI0Detect /y
• net.exe stop MSExchangeSA /y
• net.exe stop “Sophos File Scanner Service” /y
• net.exe stop ReportServer$TPS /y
• net.exe stop “Veeam Backup Catalog Data Service” /y
• net.exe stop MSOLAP$SYSTEM_BGC /y
• net.exe stop W3Svc /y
• net.exe stop MSExchangeSRS /y
• net.exe stop “Sophos Health Service” /y
• net.exe stop ReportServer$TPSAMA /y
• net.exe stop “Zoolz 2 Service” /y
• net.exe stop MSOLAP$TPS /y
• net.exe stop “aphidmonitorservice” /y
• net.exe stop msexchangeadtopology /y
• net.exe stop “Sophos MCS Agent” /y
• net.exe stop AcrSch2Svc /y
• net.exe stop MSOLAP$TPSAMA /y
• net.exe stop “intel(r) proset monitoring service” /y
• net.exe stop msexchangeimap4 /y
• net.exe stop “Sophos MCS Client” /y
• net.exe stop ARSM /y
• net.exe stop MSSQL$BKUPEXEC /y
• net.exe stop unistoresvc_1af40a /y
• net.exe stop “Sophos Message Router” /y
• net.exe stop BackupExecAgentAccelerator /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$SBSMONITORING /y
• net.exe stop AVP /y
• net.exe stop BackupExecVSSProvider /y
• net.exe stop MSSQL$SHAREPOINT /y
• net.exe stop DCAgent /y
• net.exe stop bedbg /y
• net.exe stop MSSQL$SQL_2008 /y
• net.exe stop EhttpSrv /y
• net.exe stop MMS /y
• net.exe stop MSSQL$SQLEXPRESS /y
• net.exe stop ekrn /y
• net.exe stop mozyprobackup /y
• net.exe stop MSSQL$SYSTEM_BGC /y
• net.exe stop EPSecurityService /y
• net.exe stop MSSQL$VEEAMSQL2008R2 /y
• net.exe stop MSSQL$TPS /y
• net.exe stop EPUpdateService /y
• net.exe stop ntrtscan /y
• net.exe stop MSSQL$TPSAMA /y
• net.exe stop EsgShKernel /y
• net.exe stop PDVFSService /y
• net.exe stop MSSQL$VEEAMSQL2008R2 /y
• net.exe stop ESHASRV /y
• net.exe stop SDRSVC /y
• net.exe stop MSSQL$VEEAMSQL2012 /y
• net.exe stop FA_Scheduler /y
• net.exe stop SQLAgent$VEEAMSQL2008R2 /y
• net.exe stop MSSQLFDLauncher$PROFXENGAGEMENT /y
• net.exe stop KAVFS /y
• net.exe stop SQLWriter /y
• net.exe stop MSSQLFDLauncher$SBSMONITORING /y
• net.exe stop KAVFSGT /y
• net.exe stop VeeamBackupSvc /y
• net.exe stop MSSQLFDLauncher$SHAREPOINT /y
• net.exe stop kavfsslp /y
• net.exe stop VeeamBrokerSvc /y
• net.exe stop MSSQLFDLauncher$SQL_2008 /y
• net.exe stop klnagent /y
• net.exe stop VeeamCatalogSvc /y
• net.exe stop MSSQLFDLauncher$SYSTEM_BGC /y
• net.exe stop macmnsvc /y
• net.exe stop VeeamCloudSvc /y
• net.exe stop MSSQLFDLauncher$TPS /y
• net.exe stop masvc /y
• net.exe stop VeeamDeploymentService /y
• net.exe stop MSSQLFDLauncher$TPSAMA /y
• net.exe stop MBAMService /y
• net.exe stop VeeamDeploySvc /y
• net.exe stop MSSQLSERVER /y
• net.exe stop MBEndpointAgent /y
• net.exe stop VeeamEnterpriseManagerSvc /y
• net.exe stop MSSQLServerADHelper /y
• net.exe stop McAfeeEngineService /y
• net.exe stop VeeamHvIntegrationSvc /y
• net.exe stop MSSQLServerADHelper100 /y
• net.exe stop McAfeeFramework /y
• net.exe stop VeeamMountSvc /y
• net.exe stop MSSQLServerOLAPService /y
• net.exe stop McAfeeFrameworkMcAfeeFramework /y
• net.exe stop VeeamNFSSvc /y
• net.exe stop MySQL57 /y
• net.exe stop McShield /y
• net.exe stop VeeamRESTSvc /y
• net.exe stop MySQL80 /y
• net.exe stop McTaskManager /y
• net.exe stop VeeamTransportSvc /y
• net.exe stop OracleClientCache80 /y
• net.exe stop mfefire /y
• net.exe stop wbengine /y
• net.exe stop ReportServer$SQL_2008 /y
• net.exe stop mfemms /y
• net.exe stop wbengine /y
• net.exe stop RESvc /y
• net.exe stop mfevtp /y
• net.exe stop sms_site_sql_backup /y
• net.exe stop SQLAgent$BKUPEXEC /y
• net.exe stop MSSQL$SOPHOS /y
• net.exe stop SQLAgent$CITRIX_METAFRAME /y
• net.exe stop sacsvr /y
• net.exe stop SQLAgent$CXDB /y
• net.exe stop SAVAdminService /y
• net.exe stop SQLAgent$ECWDB2 /y
• net.exe stop SAVService /y
• net.exe stop SQLAgent$PRACTTICEBGC /y
• net.exe stop SepMasterService /y
• net.exe stop SQLAgent$PRACTTICEMGT /y
• net.exe stop ShMonitor /y
• net.exe stop SQLAgent$PROD /y
• net.exe stop Smcinst /y
• net.exe stop SQLAgent$PROFXENGAGEMENT /y
• net.exe stop SmcService /y
• net.exe stop SQLAgent$SBSMONITORING /y
• net.exe stop SntpService /y
• net.exe stop SQLAgent$SHAREPOINT /y
• net.exe stop sophossps /y
• net.exe stop SQLAgent$SQL_2008 /y
• net.exe stop SQLAgent$SOPHOS /y
• net.exe stop SQLAgent$SQLEXPRESS /y
• net.exe stop svcGenericHost /y
• net.exe stop SQLAgent$SYSTEM_BGC /y
• net.exe stop swi_filter /y
• net.exe stop SQLAgent$TPS /y
• net.exe stop swi_service /y
• net.exe stop SQLAgent$TPSAMA /y
• net.exe stop swi_update /y
• net.exe stop SQLAgent$VEEAMSQL2008R2 /y
• net.exe stop swi_update_64 /y
• net.exe stop SQLAgent$VEEAMSQL2012 /y
• net.exe stop TmCCSF /y
• net.exe stop SQLBrowser /y
• net.exe stop tmlisten /y
• net.exe stop SQLSafeOLRService /y
• net.exe stop TrueKey /y
• net.exe stop SQLSERVERAGENT /y
• net.exe stop TrueKeyScheduler /y
• net.exe stop SQLTELEMETRY /y
• net.exe stop TrueKeyServiceHelper /y
• net.exe stop SQLTELEMETRY$ECWDB2 /y
• net.exe stop WRSVC /y
• net.exe stop mssql$vim_sqlexp /y
• net.exe stop vapiendpoint /y
• sc.exe config SQLTELEMETRY start= disabled
• sc.exe config SQLTELEMETRY$ECWDB2 start= disabled
• sc.exe config SQLWriter start= disabled
• sc.exe config SstpSvc start= disabled
• taskkill.exe /IM mspub.exe /F
• taskkill.exe /IM mydesktopqos.exe /F
• taskkill.exe /IM mydesktopservice.exe /F
• taskkill.exe /IM mysqld.exe /F
• taskkill.exe /IM sqbcoreservice.exe /F
• taskkill.exe /IM firefoxconfig.exe /F
• taskkill.exe /IM agntsvc.exe /F
• taskkill.exe /IM thebat.exe /F
• taskkill.exe /IM steam.exe /F
• taskkill.exe /IM encsvc.exe /F
• taskkill.exe /IM excel.exe /F
• taskkill.exe /IM CNTAoSMgr.exe /F
• taskkill.exe /IM sqlwriter.exe /F
• taskkill.exe /IM tbirdconfig.exe /F
• taskkill.exe /IM dbeng50.exe /F
• taskkill.exe /IM thebat64.exe /F
• taskkill.exe /IM ocomm.exe /F
• taskkill.exe /IM infopath.exe /F
• taskkill.exe /IM mbamtray.exe /F
• taskkill.exe /IM zoolz.exe /F
• taskkill.exe IM thunderbird.exe /F
• taskkill.exe /IM dbsnmp.exe /F
• taskkill.exe /IM xfssvccon.exe /F
• taskkill.exe /IM mspub.exe /F
• taskkill.exe /IM Ntrtscan.exe /F
• taskkill.exe /IM isqlplussvc.exe /F
• taskkill.exe /IM onenote.exe /F
• taskkill.exe /IM PccNTMon.exe /F
• taskkill.exe /IM msaccess.exe /F
• taskkill.exe /IM outlook.exe /F
• taskkill.exe /IM tmlisten.exe /F
• taskkill.exe /IM msftesql.exe /F
• taskkill.exe /IM powerpnt.exe /F
• taskkill.exe /IM mydesktopqos.exe /F
• taskkill.exe /IM visio.exe /F
• taskkill.exe /IM mydesktopservice.exe /F
• taskkill.exe /IM winword.exe /F
• taskkill.exe /IM mysqld-nt.exe /F
• taskkill.exe /IM wordpad.exe /F
• taskkill.exe /IM mysqld-opt.exe /F
• taskkill.exe /IM ocautoupds.exe /F
• taskkill.exe /IM ocssd.exe /F
• taskkill.exe /IM oracle.exe /F
• taskkill.exe /IM sqlagent.exe /F
• taskkill.exe /IM sqlbrowser.exe /F
• taskkill.exe /IM sqlservr.exe /F
• taskkill.exe /IM synctime.exe /F
• 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
• del.exe /s /f /q c:\*.VHD c:\*.bac c:\*.bak c:\*.wbcat c:\*.bkf c:\Backup*.* c:\backup*.* c:\*.set c:\*.win c:\*.dsk
• 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
• "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
• net.exe use {ip address}
• cmd.exe /C %User Temp%\{random characters}.bat
• powershell "Get-MpPreference -verbose"
• notepad.exe %Desktop%\HOW_TO_DECYPHER_FILES.txt

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It executes then deletes itself afterward.

It leaves text files that serve as ransom notes containing the following:

• HOW_TO_DECYPHER_FILES.txt
  

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

• Global\1f4b7559-a3e9-4730-b500-72b90b2ebd56

It terminates itself if it finds the following processes in the affected system's memory:

• 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
• procexp
• procexp64
• RDG Packer Detector
• CFF Explorer
• PEiD
• protection_id
• LordPE
• pe-sieve
• MegaDumper
• UnConfuserEx
• Universal_Fixer
• NoFuserEx
• NetworkMiner
• NetworkTrafficView
• HTTPNetworkSniffer
• tcpdump
• intercepter
• Intercepter-NG

Autostart Technique

This Ransomware drops the following file(s) in the Windows User Startup folder to enable its automatic execution at every system startup:

• %User Startup%\mystartup.lnk -> points to %User Temp%\HOW_TO_DECYPHER_FILES.txt

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Ransomware adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeCaption = "Information..."

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
LegalNoticeText = "Your files are encrypted... Don't worry, you can return all your files! To restore your files back write to this two mail: restorefilesencrypted@protonmail.com restorefilesencrypted@cock.li I will respond within 23 hours. come talk to me we will disscus about it and i help you to restore them back."

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
LocalAccountTokenFilterPolicy = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLinkedConnections = 1

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows Defender\Features
TamperProtection = 0

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows Defender
DisableAntiSpyware = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows Defender\Real-Time Protection
DisableBehaviorMonitoring = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows Defender\Real-Time Protection
DisableOnAccessProtection = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows Defender\Real-Time Protection
DisableScanOnRealtimeEnable = 1

Process Termination

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

• 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
• procexp
• procexp64
• RDG Packer Detector
• CFF Explorer
• PEiD
• protection_id
• LordPE
• pe-sieve
• MegaDumper
• UnConfuserEx
• Universal_Fixer
• NoFuserEx
• NetworkMiner
• NetworkTrafficView
• HTTPNetworkSniffer
• tcpdump
• intercepter
• Intercepter-NG

Download Routine

This Ransomware accesses the following websites to download files:

• https://raw.{BLOCKED}usercontent.com/d35ha/ProcessHide/master/bins/ProcessHide32.exe - if 32-bit
• https://raw.{BLOCKED}usercontent.com/d35ha/ProcessHide/master/bins/ProcessHide64.exe - if 64-bit
• https://www.{BLOCKED}dmin.com/paexec/paexec.exe

It saves the files it downloads using the following names:

• %User Temp%\{random characters}.exe

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Information Theft

This Ransomware gathers the following data:

• Mac Address of the infected machine and connected servers
• Shared Folder name
• Host Path of Shared Folder
• ip addresses associated with hostname
• ip addresses from Network Adapter Configuration

Other Details

This Ransomware connects to the following URL(s) to check for an Internet connection:

• https://www.google.com

It encrypts files with the following extensions:

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

It does the following:

• Clears Recycle Bin Contents
• Uses downloaded ProcessHide to hide itself from the following application-monitoring software:
  • Taskmgr
  • taskmgr
  • ProcessHacker
  • procexp
• Deletes backup files
• Displays the following text after restarting the system:
  
• Kills processes with large private memory space if their process name is not one of the following:
  • {malware process name}
  • opera
  • msedge
  • iexplore
  • firefox
  • explorer
  • wininit
• Modifies the following Windows Defender Actions for defense evasion:
  • DisableRealtimeMonitoring
  • DisableBehaviorMonitoring
  • DisableBlockAtFirstSeen
  • DisableIOAVProtection
  • DisablePrivacyMode
  • SignatureDisableUpdateOnStartupWithoutEngine
  • DisableArchiveScanning
  • DisableIntrusionPreventionSystem
  • DisableScriptScanning
  • SubmitSamplesConsent
  • MAPSReporting
  • HighThreatDefaultAction
  • ModerateThreatDefaultAction
  • LowThreatDefaultAction
  • SevereThreatDefaultAction
• Displays a balloon tip containing the following text:
  
• Uses downloaded paexec for lateral movement

Ransomware Routine

This Ransomware encrypts files found in the following folders:

• A:\
• B:\
• C:\
• D:\
• E:\
• F:\
• G:\
• H:\
• I:\
• J:\
• K:\
• L:\
• M:\
• N:\
• O:\
• P:\
• Q:\
• R:\
• S:\
• T:\
• U:\
• V:\
• W:\
• X:\
• Y:\
• Z:\
• %Desktop%
• %User Profile\Documents
• %User Profile\Pictures
• %User Profile%
• Network shared folders

(Note: %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It avoids encrypting files with the following strings in their file path:

• autoexec.bat
• desktop.ini
• autorun.inf
• ntuser.dat
• iconcache.db
• bootsect.bak
• boot.ini
• ntuser.dat.log
• thumbs.db
• bootmgr
• pagefile.sys
• config.sys
• ntuser.ini
• Builder_Log
• RSAKeys
• HOW_TO_DECYPHER_FILES
• Recycle.Bin
• mystartup.lnk

It appends the following extension to the file name of the encrypted files:

• .locked

It avoids encrypting files with the following file extensions:

• .locked
• exe
• dll
• EXE
• DLL