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Trojan.Siggen9.56507

Added to the Dr.Web virus database: 2020-07-01

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\software\microsoft\windows\currentversion\run] 'STTewQQXWb' = 'wscript.exe //B "%APPDATA%\STTewQQXWb.vbs"'
  • [<HKLM>\software\microsoft\windows\currentversion\run] 'STTewQQXWb' = 'wscript.exe //B "%APPDATA%\STTewQQXWb.vbs"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ntfsmgr' = '"%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -jar "%APPDATA%\ntfsmgr.jar"'
  • [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'ntfsmgr' = '"%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -jar "%APPDATA%\ntfsmgr.jar"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'plugins' = '"%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -jar "%APPDATA%\plugins.jar" mp'
  • [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'plugins' = '"%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -jar "%APPDATA%\plugins.jar" mp'
Creates or modifies the following files
  • %APPDATA%\microsoft\windows\start menu\programs\startup\sttewqqxwb.vbs
  • %APPDATA%\microsoft\windows\start menu\programs\startup\ntfsmgr.jar
  • <SYSTEM32>\tasks\skype
Creates the following files on removable media
  • <Drive name for removable media>:\sttewqqxwb.vbs
  • <Drive name for removable media>:\roozenedowebinar.lnk
  • <Drive name for removable media>:\waterresourcesag.lnk
  • <Drive name for removable media>:\hypothyroidism_slides.lnk
  • <Drive name for removable media>:\mappingconcepthubberlin.lnk
  • <Drive name for removable media>:\sacs_presentation_sacs_qep_improving_rt_education_final.lnk
  • <Drive name for removable media>:\sim_gametheory_to_finance.lnk
  • <Drive name for removable media>:\arrow-down.lnk
  • <Drive name for removable media>:\background.lnk
  • <Drive name for removable media>:\cbz.lnk
  • <Drive name for removable media>:\dissolveanother.lnk
  • <Drive name for removable media>:\irgeek.lnk
  • <Drive name for removable media>:\hhhlcert.lnk
  • <Drive name for removable media>:\server.lnk
  • <Drive name for removable media>:\investmentbankca_ca8.lnk
  • <Drive name for removable media>:\lom602.lnk
  • <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.lnk
  • <Drive name for removable media>:\7790_preview.lnk
  • <Drive name for removable media>:\dualectls.lnk
  • <Drive name for removable media>:\spib_pima.lnk
  • <Drive name for removable media>:\ff_ot_user_guide.lnk
  • <Drive name for removable media>:\video.lnk
  • <Drive name for removable media>:\stoc13_ml_quoc_le.lnk
  • <Drive name for removable media>:\taxus_baccata.lnk
  • <Drive name for removable media>:\price.lnk
  • <Drive name for removable media>:\swc_2009-03-02.lnk
  • <Drive name for removable media>:\1sm_price.lnk
  • <Drive name for removable media>:\fiche_inscription_2015.lnk
  • <Drive name for removable media>:\calculatorworksheet.lnk
  • <Drive name for removable media>:\al.lnk
  • <Drive name for removable media>:\2013_finalsummaryforweb.lnk
  • <Drive name for removable media>:\2013_smccc_competition_points_jul2013.lnk
  • <Drive name for removable media>:\national_autism_preparation_programs.lnk
  • <Drive name for removable media>:\subjectclassification.lnk
  • <Drive name for removable media>:\excel_example.lnk
  • <Drive name for removable media>:\price030215.lnk
  • <Drive name for removable media>:\productos.lnk
  • <Drive name for removable media>:\contractualdeadlines.lnk
  • <Drive name for removable media>:\babyboymaintoscenesbackground.lnk
  • <Drive name for removable media>:\waterlandhealthkano.lnk
  • <Drive name for removable media>:\pubnet_855.lnk
  • <Drive name for removable media>:\router_manual.lnk
  • <Drive name for removable media>:\foaf.lnk
  • <Drive name for removable media>:\digest.lnk
  • <Drive name for removable media>:\sioc.lnk
  • <Drive name for removable media>:\elvisimp.lnk
  • <Drive name for removable media>:\20140114.lnk
  • <Drive name for removable media>:\clip_480_5sec_6mbps_h264.lnk
  • <Drive name for removable media>:\indogerman2010.lnk
  • <Drive name for removable media>:\51.lnk
  • <Drive name for removable media>:\aoc_saq_d_v3_merchant.lnk
  • <Drive name for removable media>:\ovp25012015.lnk
  • <Drive name for removable media>:\508softwareandos.lnk
  • <Drive name for removable media>:\cveuropeo.lnk
  • <Drive name for removable media>:\applicantform_en.lnk
  • <Drive name for removable media>:\february_catalogue__2015.lnk
  • <Drive name for removable media>:\hanni_umami_chapter.lnk
  • <Drive name for removable media>:\contoso.lnk
  • <Drive name for removable media>:\sdksampleunprivdeveloper.lnk
  • <Drive name for removable media>:\contosoroot.lnk
  • <Drive name for removable media>:\contosoroot_1.lnk
  • <Drive name for removable media>:\sdksampleprivdeveloper.lnk
  • <Drive name for removable media>:\testcertificate.lnk
  • <Drive name for removable media>:\dashborder_144.lnk
  • <Drive name for removable media>:\tileimage.lnk
  • <Drive name for removable media>:\toolbar.lnk
  • <Drive name for removable media>:\dial.lnk
  • <Drive name for removable media>:\dialmap.lnk
  • <Drive name for removable media>:\000814251_video_01.lnk
  • <Drive name for removable media>:\delete.lnk
  • <Drive name for removable media>:\split.lnk
  • <Drive name for removable media>:\join.lnk
  • <Drive name for removable media>:\holycrosschurchinstructions.lnk
  • <Drive name for removable media>:\adhd_and_obesity.lnk
  • <Drive name for removable media>:\dag2_panel1_320_ref.lnk
  • <Drive name for removable media>:\file_p_00000000_1371597592.lnk
  • <Drive name for removable media>:\region-north-karelia.lnk
  • <Drive name for removable media>:\4f0bf7ff71f28.lnk
  • <Drive name for removable media>:\2.lnk
  • <Drive name for removable media>:\3.lnk
  • <Drive name for removable media>:\210252809.lnk
  • <Drive name for removable media>:\1189.lnk
  • <Drive name for removable media>:\13.lnk
  • <Drive name for removable media>:\168.lnk
  • <Drive name for removable media>:\parnas_01.lnk
  • <Drive name for removable media>:\adadsi.lnk
  • <Drive name for removable media>:\api-hashmap.lnk
  • <Drive name for removable media>:\howto-index.lnk
  • <Drive name for removable media>:\iisstart.lnk
  • <Drive name for removable media>:\browse.lnk
  • <Drive name for removable media>:\64bit_notes.lnk
  • <Drive name for removable media>:\ituneshelpunavailable.lnk
  • <Drive name for removable media>:\trivial-merge.lnk
  • <Drive name for removable media>:\about.lnk
  • <Drive name for removable media>:\calc.lnk
  • <Drive name for removable media>:\tcm851ax32.lnk
  • <Drive name for removable media>:\wrar520.lnk
  • <Drive name for removable media>:\firefly1.lnk
  • <Drive name for removable media>:\removedtitles_records.lnk
Modifies file system
Creates the following files
  • %APPDATA%\sttewqqxwb.vbs
  • %TEMP%\jna-3599307\jna1684101881858258637.dll
  • %PROGRAMDATA%\microsoft\windows\start menu\programs\startup\ntfsmgr.jar
  • %APPDATA%\lib\system-hook-3.5.jar
  • %APPDATA%\lib\sqlite-jdbc-3.14.2.1.jar
  • %APPDATA%\lib\jna-platform-5.5.0.jar
  • %APPDATA%\lib\jna-5.5.0.jar
  • %APPDATA%\plugins.jar
  • %TEMP%\jna-3599307\jna3217761593115395995.dll
  • %HOMEPATH%\lib\system-hook-3.5.jard
  • %HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jard
  • %HOMEPATH%\lib\jna-platform-5.5.0.jard
  • %HOMEPATH%\lib\jna-5.5.0.jard
  • %TEMP%\output.txt
  • %APPDATA%\ntfsmgr.jar
  • %HOMEPATH%\ntfsmgr.jar
  • %TEMP%\jna-3599307\jna9178907351625089935.dll
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\sttewqqxwb.vbs
Deletes the following files
  • %TEMP%\jna-3599307\jna3217761593115395995.dll
  • %TEMP%\jna-3599307\jna1684101881858258637.dll
  • %TEMP%\jna-3599307\jna9178907351625089935.dll
Moves the following files
  • from %HOMEPATH%\lib\jna-5.5.0.jard to %HOMEPATH%\lib\jna-5.5.0.jar
  • from %HOMEPATH%\lib\jna-platform-5.5.0.jard to %HOMEPATH%\lib\jna-platform-5.5.0.jar
  • from %HOMEPATH%\lib\system-hook-3.5.jard to %HOMEPATH%\lib\system-hook-3.5.jar
  • from %HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jard to %HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jar
Network activity
TCP
HTTP GET requests
  • http://jb###st.live/strigoi/server/?hw###############
  • http://jb###st.live/cgi-sys/suspendedpage.cgi?hw###############
  • http://pa###bin.com/raw/JuN7DATb
HTTP POST requests
  • http://pl######v2.duckdns.org:8899/is-ready via pl#####rv2.duckdns.org
  • 're###.maven.org':443
  • 'gi##ub.com':443
  • 'gi#############on-release-asset-2e65be.s3.amazonaws.com':443
    • UDP
    • DNS ASK pl#####rv2.duckdns.org
    • DNS ASK re###.maven.org
    • DNS ASK gi##ub.com
    • DNS ASK gi#############on-release-asset-2e65be.s3.amazonaws.com
    • DNS ASK st###aster.pw
    • DNS ASK jb###st.live
    • DNS ASK mi#####ft.publicvm.com
    • DNS ASK pa###bin.com
    Miscellaneous
    Creates and executes the following
    • '<SYSTEM32>\wscript.exe' "%APPDATA%\STTewQQXWb.vbs"
    • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$deleBravo = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$deleBravo=$deleBravo.replace('%!','m');$Abt = [Con...' (with hidden window)
    • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$deleBravo = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$deleBravo=$deleBravo.replace('%!','A');$Abt = [Con...' (with hidden window)
    • '<SYSTEM32>\cmd.exe' /c "%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -version 2> %TEMP%\output.txt' (with hidden window)
    Executes the following
    • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$deleBravo = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$deleBravo=$deleBravo.replace('%!','m');$Abt = [Con...
    • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$deleBravo = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$deleBravo=$deleBravo.replace('%!','A');$Abt = [Con...
    • '<SYSTEM32>\cmd.exe' /c "%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -version 2> %TEMP%\output.txt
    • '%ProgramFiles%\java\jre1.8.0_45\bin\javaw.exe' -version
    • '%ProgramFiles%\java\jre1.8.0_45\bin\javaw.exe' -jar "%APPDATA%\ntfsmgr.jar"
    • '<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 4 "%ProgramFiles%\java\jre1.8.0_45\...
    • '%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%HOMEPATH%\ntfsmgr.jar"
    • '<SYSTEM32>\cmd.exe' /c schtasks /create /sc minute /mo 30 /tn Skype /tr "%APPDATA%\ntfsmgr.jar"
    • '%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%APPDATA%\ntfsmgr.jar"
    • '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 30 /tn Skype /tr "%APPDATA%\ntfsmgr.jar"
    • '%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%APPDATA%\plugins.jar" mp

    Curing recommendations

    1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
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    1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
    2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
      • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
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