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Win32.HLLW.Autoruner2.64949

Added to the Dr.Web virus database: 2019-10-11

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'saaroo' = '%HOMEPATH%\saaroo.exe /n'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
  • <Drive name for removable media>:\video.exe
  • <Drive name for removable media>:\video_1.exe
  • <Drive name for removable media>:\10thingscondoms.exe
  • <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
  • <Drive name for removable media>:\7790_preview.exe
  • <Drive name for removable media>:\bc01.exe
  • <Drive name for removable media>:\cleanlyrics.exe
  • <Drive name for removable media>:\dualectls.exe
  • <Drive name for removable media>:\asm.exe
  • <Drive name for removable media>:\background.exe
  • <Drive name for removable media>:\block.exe
  • <Drive name for removable media>:\calibre.exe
  • <Drive name for removable media>:\dissolveanother.exe
  • <Drive name for removable media>:\51.exe
  • <Drive name for removable media>:\spib_pima.exe
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\dashborder_120.exe
  • <Drive name for removable media>:\saaroo.exe
  • <Drive name for removable media>:\correct.exe
  • <Drive name for removable media>:\delete.exe
  • <Drive name for removable media>:\split.exe
  • <Drive name for removable media>:\dashborder_144.exe
  • <Drive name for removable media>:\dialmap.exe
  • <Drive name for removable media>:\default.exe
  • <Drive name for removable media>:\1189.exe
  • <Drive name for removable media>:\508softwareandos.exe
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\hanni_umami_chapter.exe
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\region-north-karelia.exe
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\3.exe
  • <Drive name for removable media>:\cbz.exe
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%\saaroo.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\saaroo.exe
  • <Drive name for removable media>:\autorun.inf
Network activity
Connects to
  • '255.255.255.255':8000
UDP
  • DNS ASK ns#.##ayer1352.com
  • DNS ASK ns#.##ayer1352.net
  • DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
  • '%HOMEPATH%\saaroo.exe'

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