Win32.HLLW.Autoruner3.949
Added to the Dr.Web virus database:
2019-10-28
Virus description added:
2019-10-31
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'cuovoun' = '%HOMEPATH%\cuovoun.exe /Q'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\cuovoun.exe
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\fi51.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\13.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%\cuovoun.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- 'ns#.##ayer1352.com':8000
UDP
- DNS ASK ns#.##ayer1352.com
Miscellaneous
Creates and executes the following
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