Win32.HLLW.Autoruner2.64420
Added to the Dr.Web virus database:
2019-10-06
Virus description added:
2019-10-08
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'yiavaek' = '%HOMEPATH%\yiavaek.exe /b'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
- <Drive name for removable media>:\video.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\fi51.exe
- <Drive name for removable media>:\hanni_umami_chapter.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\yiavaek.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\7790_preview.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\yiavaek.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
Miscellaneous
Creates and executes the following
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