Submission Summary:

• Submission details:
• Submission received: 4 November 2008, 02:36:34
• Processing time: 5 min 53 sec
• Submitted sample:
• File MD5: 0xD1C9069DA5B3D7EC7F32496A77E04B36
• File SHA-1: 0xD1B6AEA0DD09C17112BF23A2F8E7E3531DFD0E2E
• Filesize: 32,768 bytes
• Alias:
• New Win32 [McAfee]
• Virus:Win32/Virut.AU [Microsoft]
• Virus.Win32.Virut.au [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan-Downloader.Agent.BWH	Trojan-Downloader.Agent.BWH contacts a remote server in its attempt to secretly download additional threats onto affected machines.

File System Modifications

• The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\rs32net.exe [file and pathname of the sample #1]	32,768 bytes	MD5: 0xD1C9069DA5B3D7EC7F32496A77E04B36 SHA-1: 0xD1B6AEA0DD09C17112BF23A2F8E7E3531DFD0E2E	New Win32 [McAfee] Virus:Win32/Virut.AU [Microsoft] Virus.Win32.Virut.au [Ikarus]

• Note:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Memory Modifications

• There was a new process created in the system:

Process Name	Process Filename	Main Module Size
rs32net.exe	%System%\rs32net.exe	N/A

Registry Modifications

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• rs32net = "%System%\rs32net.exe"

so that rs32net.exe runs every time Windows starts

Other details

• There were registered attempts to establish connection with the remote hosts. The connection details are: