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Win32.HLLW.Autoruner3.5546

Added to the Dr.Web virus database: 2022-09-18

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /o'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /V'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /A'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hauzo' = '%HOMEPATH%\hauzo.exe /R'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\bg_search_box.png.lnk
  • <Drive name for removable media>:\background.png.lnk
  • <Drive name for removable media>:\dissolveanother.png.lnk
  • <Drive name for removable media>:\cleanlyrics.png.lnk
  • <Drive name for removable media>:\breakpoint.png.lnk
  • <Drive name for removable media>:\block.png.lnk
  • <Drive name for removable media>:\flower_trans_matte.wmv.lnk
  • <Drive name for removable media>:\weeklysheet1215.doc.lnk
  • <Drive name for removable media>:\excel_example.xls.lnk
  • <Drive name for removable media>:\calculatorworksheet.xls.lnk
  • <Drive name for removable media>:\removedtitles_records.xls.lnk
  • <Drive name for removable media>:\subjectclassification.xls.lnk
  • <Drive name for removable media>:\new folder.lnk
  • <Drive name for removable media>:\passwords.lnk
  • <Drive name for removable media>:\documents.lnk
  • <Drive name for removable media>:\pictures.lnk
  • <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
  • <Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
  • <Drive name for removable media>:\lom602.pdf.lnk
  • <Drive name for removable media>:\spib_pima.pdf.lnk
  • <Drive name for removable media>:\clip_480_5sec_6mbps_h264.mp4.lnk
  • <Drive name for removable media>:\hauzo.exe
  • <Drive name for removable media>:\hauzox.exe
  • <Drive name for removable media>:\correct.avi.lnk
  • <Drive name for removable media>:\split.avi.lnk
  • <Drive name for removable media>:\dashborder_144.bmp.lnk
  • <Drive name for removable media>:\lisp_success.doc.lnk
  • <Drive name for removable media>:\applicantform_en.doc.lnk
  • <Drive name for removable media>:\music.lnk
  • <Drive name for removable media>:\guide_reorganization_mapping.xls.lnk
  • <Drive name for removable media>:\ovp25012015.doc.lnk
  • <Drive name for removable media>:\fi51.doc.lnk
  • <Drive name for removable media>:\cveuropeo.doc.lnk
  • <Drive name for removable media>:\parnas_01.jpg.lnk
  • <Drive name for removable media>:\4f0bf7ff71f28.jpg.lnk
  • <Drive name for removable media>:\3.jpg.lnk
  • <Drive name for removable media>:\13.jpg.lnk
  • <Drive name for removable media>:\pushkin.jpg.lnk
  • <Drive name for removable media>:\ofrs.ico
  • <Drive name for removable media>:\508softwareandos.doc.lnk
  • <Drive name for removable media>:\video.lnk
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system
Creates the following files
  • %HOMEPATH%\hauzo.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\hauzo.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\ofrs.ico
  • <Drive name for removable media>:\hauzo.exe
  • <Drive name for removable media>:\hauzox.exe
Network activity
Connects to
  • '255.255.255.255':8000
UDP
  • DNS ASK ns#.##ayer1532.com
  • DNS ASK ns#.##deoall.org
  • DNS ASK ns#.##deoall.net
Miscellaneous
Creates and executes the following
  • '%HOMEPATH%\hauzo.exe'