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Win32.HLLW.Autoruner3.5611

Added to the Dr.Web virus database: 2022-09-22

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /V'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /Q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'rzhag' = '%HOMEPATH%\rzhag.exe /P'
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>:\cleanlyrics.png.lnk
  • <Drive name for removable media>:\breakpoint.png.lnk
  • <Drive name for removable media>:\babyboymaintonotesbackground_pal.wmv.lnk
  • <Drive name for removable media>:\babyboymaintoscenesbackground.wmv.lnk
  • <Drive name for removable media>:\ff_ot_user_guide.pdf.lnk
  • <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf.lnk
  • <Drive name for removable media>:\passport_pal.wmv.lnk
  • <Drive name for removable media>:\1sm_price.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>:\contractualdeadlines.xls.lnk
  • <Drive name for removable media>:\fiche_inscription_2015.xls.lnk
  • <Drive name for removable media>:\spib_pima.pdf.lnk
  • <Drive name for removable media>:\dualectls.pdf.lnk
  • <Drive name for removable media>:\10thingscondoms.pdf.lnk
  • <Drive name for removable media>:\rzhag.exe
  • <Drive name for removable media>:\rzhagx.exe
  • <Drive name for removable media>:\delete.avi.lnk
  • <Drive name for removable media>:\join.avi.lnk
  • <Drive name for removable media>:\tileimage.bmp.lnk
  • <Drive name for removable media>:\coffee.bmp.lnk
  • <Drive name for removable media>:\ayu.ico
  • <Drive name for removable media>:\508softwareandos.doc.lnk
  • <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
  • <Drive name for removable media>:\ovp25012015.doc.lnk
  • <Drive name for removable media>:\fi51.doc.lnk
  • <Drive name for removable media>:\3.jpg.lnk
  • <Drive name for removable media>:\clip_480_5sec_6mbps_h264.mp4.lnk
  • <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.mp4.lnk
  • <Drive name for removable media>:\applicantform_en.doc.lnk
  • <Drive name for removable media>:\music.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%\rzhag.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\rzhag.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\ayu.ico
  • <Drive name for removable media>:\rzhag.exe
  • <Drive name for removable media>:\rzhagx.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%\rzhag.exe'