Submission Summary:

• Submission details:
• Submission received: 4 August 2012, 06:03:38
• Processing time: 9 min 55 sec
• Submitted sample:
• File MD5: 0x5354DF123FD9076418F5EB84D01E7C6D
• File SHA-1: 0x1E136740129B93D3168D751C2F10A3D0E3FE3B2C
• Filesize: 31,744 bytes
• Alias: Trojan.Msil [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\Update.exe %Programs%\Startup\8100c3226482ae95a43914b125e72414.exe [file and pathname of the sample #1]	31,744 bytes	MD5: 0x5354DF123FD9076418F5EB84D01E7C6D SHA-1: 0x1E136740129B93D3168D751C2F10A3D0E3FE3B2C	Trojan.Msil [Ikarus]
2	%Temp%\Update.exe.tmp	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)

• Notes:
• %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
• %Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.

Memory Modifications

• There was a new process created in the system:

Process Name	Process Filename	Main Module Size
Update.exe	%Temp%\update.exe	N/A

Registry Modifications

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• 8100c3226482ae95a43914b125e72414 = ""%Temp%\Update.exe" .."

so that Update.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• 8100c3226482ae95a43914b125e72414 = ""%Temp%\Update.exe" .."

so that Update.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• 8100c3226482ae95a43914b125e72414