To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
Modifies file system:
Creates the following files:
C:\clfmon.exe
C:\Autorun.inf
<SYSTEM32>\clfmon.exe
<SYSTEM32>\clfmon.temp.ini
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\clfmon.exe
<Drive name for removable media>:\Autorun.inf
C:\Autorun.inf
<SYSTEM32>\clfmon.exe
C:\clfmon.exe
Deletes the following files:
<Drive name for removable media>:\clfmon.exe
<Drive name for removable media>:\Autorun.inf
C:\Autorun.inf
<SYSTEM32>\clfmon.temp.ini
C:\clfmon.exe
Network activity:
Connects to:
'us###.cjb.net':80
TCP:
HTTP GET requests:
http://us###.cjb.net/d15839d0/clfmon.txt
UDP:
DNS ASK us###.cjb.net
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