Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = '<SYSTEM32>\run %1 %*'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\NOD32-RAMGuard.v.2009.exe
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\nod32krn.exe
- %TEMP%\csrss.exe
Executes the following:
- <SYSTEM32>\regsvr32.exe <SYSTEM32>\mfncom.dll /s
- <SYSTEM32>\taskkill.exe /IM sslmgr.exe /F
- <SYSTEM32>\taskkill.exe /IM msconfig.exe /F
- <SYSTEM32>\taskkill.exe /IM msconfig32.exe /F
Modifies file system :
Creates the following files:
- %TEMP%\21459.16223526.tmp
- <SYSTEM32>\nod32krn.exe
- C:\autorun.inf
- C:\RECYCLER\NOD32-RAMGuard.v.2009.exe
- %TEMP%\47435.72473526.tmp
- %TEMP%\3307.30676651001.tmp
- %TEMP%\csrss.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\nod32krn.exe
- C:\autorun.inf
- C:\RECYCLER\NOD32-RAMGuard.v.2009.exe
- <Drive name for removable media>:\RECYCLER\NOD32-RAMGuard.v.2009.exe
Deletes the following files:
- %TEMP%\~DFA444.tmp
- %TEMP%\~DF1385.tmp
- %TEMP%\~DF925C.tmp
- %TEMP%\~DFB676.tmp
- %TEMP%\~DFCA1A.tmp
- %TEMP%\~DF47D1.tmp
- %TEMP%\~DF9294.tmp
- %TEMP%\~DFAF58.tmp
- %TEMP%\~DF82A5.tmp
- %TEMP%\~DF58D4.tmp
- %TEMP%\~DF6B99.tmp
- <Drive name for removable media>:\autorun.inf
- %TEMP%\~DF8772.tmp
- %TEMP%\~DF9138.tmp
- <SYSTEM32>\nod32krn.exe
- %TEMP%\csrss.exe
- %TEMP%\~DF394D.tmp
- C:\RECYCLER\NOD32-RAMGuard.v.2009.exe
- %TEMP%\~DFF90D.tmp
- C:\autorun.inf
- %TEMP%\~DF6701.tmp
- <Drive name for removable media>:\RECYCLER\NOD32-RAMGuard.v.2009.exe
- %TEMP%\~DF2BF4.tmp
Network activity:
Connects to:
- 'www.ec##er.ir':80
TCP:
HTTP POST requests:
- www.ec##er.ir/ecb.php?cb############################
UDP:
- DNS ASK www.ec##er.ir
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_traywnd' WindowName: ''