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Win32.HLLW.Autoruner3.5829

Added to the Dr.Web virus database: 2022-10-04

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /Q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'sioit' = '%HOMEPATH%\sioit.exe /V'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\bc01.pdf.lnk
  • <Drive name for removable media>:\7790_preview.pdf.lnk
  • <Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
  • <Drive name for removable media>:\spib_pima.pdf.lnk
  • <Drive name for removable media>:\fil_20060629111052.pdf.lnk
  • <Drive name for removable media>:\background.png.lnk
  • <Drive name for removable media>:\cbz.png.lnk
  • <Drive name for removable media>:\cleanlyrics.png.lnk
  • <Drive name for removable media>:\bg_search_box.png.lnk
  • <Drive name for removable media>:\asm.png.lnk
  • <Drive name for removable media>:\breakpoint.png.lnk
  • <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
  • <Drive name for removable media>:\babyboymaintoscenesbackground.wmv.lnk
  • <Drive name for removable media>:\calculatorworksheet.xls.lnk
  • <Drive name for removable media>:\productos.xls.lnk
  • <Drive name for removable media>:\fiche_inscription_2015.xls.lnk
  • <Drive name for removable media>:\1sm_price.xls.lnk
  • <Drive name for removable media>:\excel_example.xls.lnk
  • <Drive name for removable media>:\contractualdeadlines.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>:\d0068197bb5a41fea16a220c45390606.mp4.lnk
  • <Drive name for removable media>:\dualectls.pdf.lnk
  • <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.mp4.lnk
  • <Drive name for removable media>:\51.mp4.lnk
  • <Drive name for removable media>:\video.mp4.lnk
  • <Drive name for removable media>:\sioit.exe
  • <Drive name for removable media>:\sioitx.exe
  • <Drive name for removable media>:\correct.avi.lnk
  • <Drive name for removable media>:\archer.avi.lnk
  • <Drive name for removable media>:\join.avi.lnk
  • <Drive name for removable media>:\delete.avi.lnk
  • <Drive name for removable media>:\split.avi.lnk
  • <Drive name for removable media>:\dashborder_144.bmp.lnk
  • <Drive name for removable media>:\default.bmp.lnk
  • <Drive name for removable media>:\coffee.bmp.lnk
  • <Drive name for removable media>:\dashborder_120.bmp.lnk
  • <Drive name for removable media>:\music.lnk
  • <Drive name for removable media>:\babyboymaintoscenesbackground_pal.wmv.lnk
  • <Drive name for removable media>:\fi51.doc.lnk
  • <Drive name for removable media>:\applicantform_en.doc.lnk
  • <Drive name for removable media>:\lisp_success.doc.lnk
  • <Drive name for removable media>:\508softwareandos.doc.lnk
  • <Drive name for removable media>:\2.jpg.lnk
  • <Drive name for removable media>:\region-north-karelia.jpg.lnk
  • <Drive name for removable media>:\4f0bf7ff71f28.jpg.lnk
  • <Drive name for removable media>:\210252809.jpg.lnk
  • <Drive name for removable media>:\168.jpg.lnk
  • <Drive name for removable media>:\pushkin.jpg.lnk
  • <Drive name for removable media>:\parnas_01.jpg.lnk
  • <Drive name for removable media>:\13.jpg.lnk
  • <Drive name for removable media>:\vqcv.ico
  • <Drive name for removable media>:\weeklysheet1215.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%\sioit.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\sioit.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\vqcv.ico
  • <Drive name for removable media>:\sioit.exe
  • <Drive name for removable media>:\sioitx.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%\sioit.exe'

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