Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Update' = '%TEMP%\skyp\Microsoft Update.lnk'
Malicious functions:
Injects code into
the following user processes:
- LNSEPF.exe
Modifies file system:
Creates the following files:
- %TEMP%\aut1.tmp
- %TEMP%\rrwxxsk
- %TEMP%\aut2.tmp
- %TEMP%\XRVLNL.exe
- %TEMP%\aut3.tmp
- %TEMP%\LNSEPF.exe
- %TEMP%\Skyp\svchost.exe
- %TEMP%\Skyp\Microsoft Update.lnk
Deletes the following files:
- %TEMP%\aut1.tmp
- %TEMP%\rrwxxsk
- %TEMP%\aut2.tmp
- %TEMP%\aut3.tmp
Network activity:
Connects to:
- 'up######ervice.linkpc.net':1337
- 'up######ervice.linkpc.net':1604
UDP:
- DNS ASK up######ervice.linkpc.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\XRVLNL.exe'
- '%TEMP%\LNSEPF.exe'
