Win32.HLLW.Silka.187
Added to the Dr.Web virus database:
2016-08-17
Virus description added:
2016-08-16
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%ProgramFiles%\Panda\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{8C34557U-U7KB-R50A-3NO6-3K1SB57BU5KM}] 'StubPath' = '%ProgramFiles%\Panda\svchost.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{8C34557U-U7KB-R50A-3NO6-3K1SB57BU5KM}] 'StubPath' = '%ProgramFiles%\Panda\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%ProgramFiles%\Panda\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%ProgramFiles%\Panda\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%ProgramFiles%\Panda\svchost.exe'
Malicious functions:
Creates and executes the following:
- '%ProgramFiles%\Panda\svchost.exe'
Executes the following:
- '%ProgramFiles%\Panda\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
- %ProgramFiles%\Panda\svchost.exe
- %TEMP%\%USERNAME%2.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%log.dat
Deletes the following files:
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%2.txt
Network activity:
Connects to:
- 'cy#####te777.no-ip.biz':6000
UDP:
- DNS ASK cy#####te777.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
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