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Win32.HLLW.Autoruner3.6812

Added to the Dr.Web virus database: 2022-12-10

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /V'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'pxsal' = '%HOMEPATH%\pxsal.exe /g'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\13.jpg.lnk
  • <Drive name for removable media>:\video_1.mp4.lnk
  • <Drive name for removable media>:\video.mp4.lnk
  • <Drive name for removable media>:\clip_480_5sec_6mbps_h264.mp4.lnk
  • <Drive name for removable media>:\dualectls.pdf.lnk
  • <Drive name for removable media>:\10thingscondoms.pdf.lnk
  • <Drive name for removable media>:\bc01.pdf.lnk
  • <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf.lnk
  • <Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
  • <Drive name for removable media>:\fil_20060629111052.pdf.lnk
  • <Drive name for removable media>:\lom602.pdf.lnk
  • <Drive name for removable media>:\cleanlyrics.png.lnk
  • <Drive name for removable media>:\asm.png.lnk
  • <Drive name for removable media>:\calibre.png.lnk
  • <Drive name for removable media>:\dissolveanother.png.lnk
  • <Drive name for removable media>:\arrow-down.png.lnk
  • <Drive name for removable media>:\testwmv.wmv.lnk
  • <Drive name for removable media>:\babyboymaintoscenesbackground.wmv.lnk
  • <Drive name for removable media>:\guide_reorganization_mapping.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>:\parnas_01.jpg.lnk
  • <Drive name for removable media>:\music.lnk
  • <Drive name for removable media>:\pushkin.jpg.lnk
  • <Drive name for removable media>:\3.jpg.lnk
  • <Drive name for removable media>:\emm.ico
  • <Drive name for removable media>:\pxsal.exe
  • <Drive name for removable media>:\pxsalx.exe
  • <Drive name for removable media>:\correct.avi.lnk
  • <Drive name for removable media>:\archer.avi.lnk
  • <Drive name for removable media>:\split.avi.lnk
  • <Drive name for removable media>:\tileimage.bmp.lnk
  • <Drive name for removable media>:\dashborder_144.bmp.lnk
  • <Drive name for removable media>:\dashborder_192.bmp.lnk
  • <Drive name for removable media>:\dashborder_120.bmp.lnk
  • <Drive name for removable media>:\fi51.doc.lnk
  • <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
  • <Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc.lnk
  • <Drive name for removable media>:\weeklysheet1215.doc.lnk
  • <Drive name for removable media>:\applicantform_en.doc.lnk
  • <Drive name for removable media>:\february_catalogue__2015.doc.lnk
  • <Drive name for removable media>:\lisp_success.doc.lnk
  • <Drive name for removable media>:\508softwareandos.doc.lnk
  • <Drive name for removable media>:\cveuropeo.doc.lnk
  • <Drive name for removable media>:\ovp25012015.doc.lnk
  • <Drive name for removable media>:\region-north-karelia.jpg.lnk
  • <Drive name for removable media>:\210252809.jpg.lnk
  • <Drive name for removable media>:\168.jpg.lnk
  • <Drive name for removable media>:\1189.jpg.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%\pxsal.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\pxsal.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\emm.ico
  • <Drive name for removable media>:\pxsal.exe
  • <Drive name for removable media>:\pxsalx.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%\pxsal.exe'