Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'winlog.exe' = '%APPDATA%\Microsoft\winlog.exe'
Creates the following files on removable media
- <Drive name for removable media>:\winlog.exe
- <Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
- %TEMP%\host booting aio.exe
- %TEMP%\server.exe
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\caasbycl\dnserrordiagoff_weboc[1]
- %APPDATA%\microsoft\winlog.exe
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\re1n75kr\errorpagetemplate[1]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\0u8lpyu9\errorpagestrings[1]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\caasbycl\httperrorpagesscripts[1]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\bzjx5bke\background_gradient[2]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\bzjx5bke\info_48[1]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\0u8lpyu9\bullet[1]
- <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\caasbycl\down[1]
Sets the 'hidden' attribute to the following files
- %APPDATA%\microsoft\winlog.exe
- <Drive name for removable media>:\winlog.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files
- %APPDATA%\microsoft\winlog.exe
Network activity
Connects to
- '255.255.255.255':3179
UDP
- DNS ASK s1#.#o-ip.info
Miscellaneous
Searches for the following windows
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebCheckMonitor' WindowName: ''
Creates and executes the following
- '%TEMP%\host booting aio.exe'
- '%TEMP%\server.exe'
- '%APPDATA%\microsoft\winlog.exe'
- '%TEMP%\server.exe' ' (with hidden window)
