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Win32.HLLW.Autoruner2.52659

Added to the Dr.Web virus database: 2019-07-18

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'puipur' = '%HOMEPATH%\puipur.exe /K'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\508softwareandos.exe
  • <Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
  • <Drive name for removable media>:\2.exe
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\168.exe
  • <Drive name for removable media>:\parnas_01.exe
  • <Drive name for removable media>:\dialmap.exe
  • <Drive name for removable media>:\4f0bf7ff71f28.exe
  • <Drive name for removable media>:\video.exe
  • <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
  • <Drive name for removable media>:\video_1.exe
  • <Drive name for removable media>:\spib_pima.exe
  • <Drive name for removable media>:\ff_ot_user_guide.exe
  • <Drive name for removable media>:\hanni_umami_chapter.exe
  • <Drive name for removable media>:\lisp_success.exe
  • <Drive name for removable media>:\weeklysheet1215.exe
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\fi51.exe
  • <Drive name for removable media>:\ovp25012015.exe
  • <Drive name for removable media>:\coffee.exe
  • <Drive name for removable media>:\tileimage.exe
  • <Drive name for removable media>:\3.exe
  • <Drive name for removable media>:\dial.exe
  • <Drive name for removable media>:\split.exe
  • <Drive name for removable media>:\archer.exe
  • <Drive name for removable media>:\correct.exe
  • <Drive name for removable media>:\000814251_video_01.exe
  • <Drive name for removable media>:\delete.exe
  • <Drive name for removable media>:\puipur.exe
  • <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
  • <Drive name for removable media>:\lom602.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%\puipur.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\puipur.exe
  • <Drive name for removable media>:\autorun.inf
Network activity
Connects to
  • '255.255.255.255':8003
UDP
  • DNS ASK ns#.##ayer1352.com
  • DNS ASK ns#.##ayer1352.net
  • DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
  • '%HOMEPATH%\puipur.exe'

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