Win32.HLLW.Autoruner3.435
Added to the Dr.Web virus database:
2019-10-19
Virus description added:
2019-10-21
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Live' = '<Full path to file>'
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'svhost.exe' = '"%APPDATA%\svhost.exe"'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'svhost.exe' = '"%APPDATA%\svhost.exe"'
Creates the following files on removable media
- <Drive name for removable media>:\{user-egregregerfwde}\svhost.exe
- <Drive name for removable media>:\contosoroot_1.cer.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\contosoroot_1.cer
- <Drive name for removable media>:\dashborder_192.bmp.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\dashborder_192.bmp
- <Drive name for removable media>:\dashborder_144.bmp.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\dashborder_144.bmp
- <Drive name for removable media>:\dialmap.bmp.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\dialmap.bmp
- <Drive name for removable media>:\tileimage.bmp.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\tileimage.bmp
- <Drive name for removable media>:\{user-egregregerfwde}\testee.cer
- <Drive name for removable media>:\default.bmp.lnk
- <Drive name for removable media>:\dashborder_96.bmp.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\dashborder_96.bmp
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\join.avi
- <Drive name for removable media>:\000814251_video_01.avi.lnk
- <Drive name for removable media>:\{user-egregregerfwde}\000814251_video_01.avi
- <Drive name for removable media>:\split.avi.lnk
- <Drive name for removable media>:\svhost.exe
- <Drive name for removable media>:\{user-egregregerfwde}\split.avi
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\{user-egregregerfwde}\default.bmp
- <Drive name for removable media>:\testee.cer.lnk
Malicious functions
Injects code into
the following system processes:
the following user processes:
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
- %APPDATA%\svhost.exe
- <Drive name for removable media>:\{user-egregregerfwde}\svhost.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svhost.exe
Moves the following files
- from %TEMP%\winhost.exe to %APPDATA%\svhost.exe
Network activity
UDP
- DNS ASK de#####ize.sdeirc.net
Miscellaneous
Creates and executes the following
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