Win32.HLLW.Autoruner2.40946
Added to the Dr.Web virus database:
2018-07-03
Virus description added:
2018-07-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsModule' = '"<Full path to file>"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsModule' = '"%APPDATA%\Microsoft\WindowsUpdate.exe"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
Modifies file system:
Creates the following files:
- %APPDATA%\Microsoft\WindowsUpdate.exe
- %APPDATA%\Logs\07-02-2018
- C:\autorun.inf
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Microsoft\WindowsUpdate.exe
Network activity:
Connects to:
- 'ip##pi.com':80
- 'fr###eoip.net':80
- 'ap#.#pify.org':80
- 'co#####spai.duckdns.org':2232
TCP:
HTTP GET requests:
- http://ip##pi.com/json/
- http://fr###eoip.net/xml/
- http://ap#.#pify.org/
UDP:
- DNS ASK ip##pi.com
- DNS ASK fr###eoip.net
- DNS ASK ap#.#pify.org
- DNS ASK co#####spai.duckdns.org
Miscellaneous:
Creates and executes the following:
- '%APPDATA%\Microsoft\WindowsUpdate.exe'
Executes the following:
- '<SYSTEM32>\schtasks.exe' /create /tn "WindowsModule" /sc ONLOGON /tr "<Full path to file>" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "WindowsModule" /sc ONLOGON /tr "%APPDATA%\Microsoft\WindowsUpdate.exe" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "WINDOWSSYSTEMHOST" /tr "%APPDATA%\Microsoft\WindowsUpdate.exe" /sc MINUTE /MO 1
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