Win32.HLLW.Autoruner2.5069
Added to the Dr.Web virus database:
2014-02-04
Virus description added:
2014-02-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{QOTI41H4-M014-8B04-R255-L502UEE1TOI3}] 'StubPath' = '%WINDIR%\Host32\svchost.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{QOTI41H4-M014-8B04-R255-L502UEE1TOI3}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Firewall' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Firewall' = ''
Malicious functions:
Creates and executes the following:
- '%WINDIR%\Host32\svchost.exe'
Injects code into
the following system processes:
Modifies file system :
Creates the following files:
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %APPDATA%\%USERNAME%log.dat
- %WINDIR%\Host32\svchost.exe
- %TEMP%\%USERNAME%2.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%log.dat
- %WINDIR%\Host32\svchost.exe
Deletes the following files:
Network activity:
Connects to:
UDP:
- DNS ASK cr####xxx.cwsurf.de
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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