Win32.HLLW.Autoruner2.56433
Added to the Dr.Web virus database:
2019-08-09
Virus description added:
2019-08-12
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'baacoi' = '%HOMEPATH%\baacoi.exe /A'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\rcxd.tmp
- <Drive name for removable media>:\rcxc.tmp
- <Drive name for removable media>:\rcxb.tmp
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\rcxa.tmp
- <Drive name for removable media>:\rcx9.tmp
- <Drive name for removable media>:\rcx8.tmp
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\rcx7.tmp
- <Drive name for removable media>:\rcxe.tmp
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\rcx5.tmp
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\rcx4.tmp
- <Drive name for removable media>:\rcx3.tmp
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\rcx2.tmp
- <Drive name for removable media>:\rcx1.tmp
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\baacoi.exe
- <Drive name for removable media>:\rcx6.tmp
- <Drive name for removable media>:\rcxf.tmp
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%\baacoi.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\weeklysheet1215.exe
Substitutes the following files
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\weeklysheet1215.exe
Network activity
Connects to
- 'ns#.##ayer1352.com':8003
UDP
- DNS ASK ns#.##ayer1352.com
Miscellaneous
Creates and executes the following
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